Upgrade OpenSBI from v0.8 to v0.9 and the pre-built bios images.

The v0.9 release includes the following commits:

35bc810 docs/platform: Update QEMU parameter for fw_payload
78afe11 config.mk: Update QEMU run command for generic and sifive fu540 platforms
ec3e5b1 docs/platform: sifive_fu540: Update U-Boot instructions
7d61a68 README.md: fix markdown link formatting
a5f9104 lib/utils: fdt: Update FDT expand size to 1024 for reserved memory node
ec1abf6 include: sbi_bitops: Remove dead shift assignment in ffs/fls
8e47649 lib: Add sbi_strncmp implementation
2845d2d lib: utils: Add a macro in libfdt_env.h for strncmp
2cfd2fc lib: utils: Use strncmp in fdt_parse_hart_id()
937caee lib: sbi_misaligned_ldst: Determine transformed instruction length correctly
4b18a2a firmware: fw_base: Improve exception stack setup in trap handler
9d56961 lib: sbi_trap: Fix hstatus.SPVP update in sbi_trap_redirect()
d7f87d9 platform: kendryte/k210: fixup FDT
e435ba0 lib: sbi_init: Avoid thundering hurd problem with coldboot_lock
4f3bad6 lib: sbi: Handle the case where MTVAL has illegal instruction address
7b0b289 lib: sbi: Remove redundant SBI_HART_HAS_PMP feature
74d1db7 lib: sbi: Improve PMP CSR detection and progamming
2c341f7 lib: sbi: Detect and print MHPM counters at boot-time
162d453 include: sbi: Few cosmetic changes in riscv_encoding.h
ebc8ebc lib: sbi: Improve HPM CSR read/write emulation
dcb10c00 lib: sbi: Don't handle VS-mode ecall in sbi_trap_handler()
bef63d6 include: Rename ECALL defines to match latest RISC-V spec
c1c7c3e lib: sbi_trap: Allow M-mode to M-mode ECALLs
6734304 lib: sbi: Allow specifying start mode to sbi_hsm_hart_start() API
7ccf6bf lib: sbi: Allow specifying mode in sbi_hart_pmp_check_addr() API
9f935a4 lib: utils: Improve fdt_cpu_fixup() implementation
172fa16 lib: sbi: Ensure coldboot HART supports next privilege mode
aaeca7e platform: generic: Don't mark non-MMU HARTs as invalid
7701ea1 lib: sbi: Fix PMP CSR detection
79bf80b lib: sbi_scratch: typo scatch
a04c465 makefile: fix clean directive
af4b50f Makefile: Build ELF, BIN and LD script in platform build directory
6ca0969 firmware: Add common FW_FDT_PATH compile-time option
9c07c51 firmware: Remove FW_PAYLOAD_FDT_PATH compile-time option
e9a4bfb Makefile: Allow padding zeros when converting DTB to C source
a0f2d4a platform: kendryte/k210: Add some padding for FDT fixups
dbeeacb include: sbi: Remove redundant includes from sbi_platform.h
a12d46a include: sbi: Remove pmp_region callbacks from sbi_platform_operations
a126886 lib: sbi: Configure PMP late in coldboot and warmboot path
f81d6f6 lib: sbi: Remove redundant hartid parameter from sbi_hart_init()
8b65005 include: sbi: Make hartmask pointer const in sbi_hartmask_test_hart()
b1678af lib: sbi: Add initial domain support
e73b92d lib: sbi: Extend sbi_hsm_hart_started_mask() for domains
3a30d2c lib: sbi: Extend sbi_hsm_hart_start() for domains
530e95b lib: sbi: Optimize sbi_hsm_hart_started_mask() implementation
3e20037 lib: sbi: Extend sbi_system_reset() for domains
5edbb7c lib: utils: Update fdt_reserved_memory_fixup() to use current domain
5fd99db lib: utils: Update fdt_cpu_fixup() to use current domain
e856462 lib: sbi: Remove redundant sbi_hart_pmp_xyz() functions
c10c30b lib: sbi: Configure PMP based on domain memory regions
c347408 lib: sbi: Display domain details in boot prints
fdf5d5c docs: Add initial documentation for domain support
74c0ea1 lib: utils: Implement "ranges" property parsing
bf21632 lib: sbi: Detect PMP granularity and number of address bits
a809f40 lib: sbi: Improve boot time print with additional PMP information
914f81f Makefile: Add option to use toolchain default ABI and ISA string
48616b3 lib: sbi: Improve boot prints in cold boot sequence
781cafd docs: fix a typo error
54a7734 include: sbi: Add SBI SRST extension related defines
c4acc60 include: sbi: Remove opensbi specific reset type defines
da07479 platform: Remove dummy system reset functions
5c429ae lib: sbi: Improve system reset platform operations
548d03e lib: sbi: Implement System Reset (SRST) SBI extension
2677324 firmware: fw_base: Optimize trap handler for RV32 systems
8d2edc4 lib: sbi: Fix sbi_hart_switch_mode() for u-mode
3d921fa lib: sbi: Fix typo in sbi_domain_finalize()
4e37022 lib: sbi: Fix domain_count check in sbi_domain_finalize()
c709d40 lib: sbi: Auto start domain only if boot HART within limits
c1f6d89 include: sbi: Use lower bits for domain memory region permissions
62ea4f4 lib: sbi: Override domain boot HART when coldboot HART assigned to it
555e737 lib: sbi: Add error prints in sbi_domain_finalize()
9b65dca include: sbi: Add domains_init() platform operation
c0d2baa docs: Add domain device tree binding documentation
ba741ea lib: utils: Add helper routines to populate domains from FDT
4fffb53 platform: generic: Populate domains from FDT
e7da0b4 lib: utils/libfdt: Upgrade to v1.6.0 release
2179777 lib: utils: Allow FDT domain iteration functions to fail
7baccfc lib: sbi: Add function to register new domain
6fc1986 lib: utils: Remove fdt_domain_get() function
a029bd9 lib: sbi: Remove domain_get() platform callback function
7dcb1e1 lib: sbi: Fix sign-extension in sbi_misaligned_load_handler()
80bc506 lib: sbi: Replace args with trap registers in ecall handler
b7df5e4 lib: sbi: Introduce sbi_trap_exit() API
12394a2 lib: sbi: Allow custom local TLB flush function
0d49c3b lib: utils: Fix shakti uart implementation
db56341 lib: sbi: Allow platforms to provide root domain memory regions
e884416 include: sbi: No need to pack struct sbi_trap_regs
386eba2 include: sbi: No need to pack struct sbi_scratch
1bbf361 include: sbi: Don't pack struct sbi_platform and sbi_platform_operations
da5293f platform: template: Fix compile error
234ed8e include: Bump-up version to 0.9

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: 20210119234438.10132-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>