Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-5.1-pull-request' into staging

Trivial branch pull request 20200610

Convert DPRINTF() to traces or qemu_logs
Use IEC binary prefix definitions
Use qemu_semihosting_log_out() in target/unicore32
Some code and doc cleanup

# gpg: Signature made Wed 10 Jun 2020 14:08:36 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-for-5.1-pull-request:
  semihosting: remove the pthread include which seems unused
  hw/openrisc/openrisc_sim: Add assertion to silence GCC warning
  target/unicore32: Prefer qemu_semihosting_log_out() over curses
  target/unicore32: Replace DPRINTF() by qemu_log_mask(GUEST_ERROR)
  target/unicore32: Remove unused headers
  target/i386/cpu: Use the IEC binary prefix definitions
  hw/i386/xen/xen-hvm: Use the IEC binary prefix definitions
  hw/hppa/dino: Use the IEC binary prefix definitions
  hw/arm/aspeed: Correct DRAM container region size
  qemu-img: Fix doc typo for 'bitmap' subcommand
  hw/misc/auxbus: Use qemu_log_mask(UNIMP) instead of debug printf
  hw/isa/apm: Convert debug printf()s to trace events
  hw/unicore32/puv3: Use qemu_log_mask(ERROR) instead of debug printf()
  .mailmap: Update Fred Konrad email address
  net: Do not include a newline in the id of -nic devices
  Fix parameter type in vhost migration log path

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	.mailmap