hw/mips: Express dependencies of the Boston machine with Kconfig

Boston is built around a Xilinx FPGA, which includes a PCIe root port
and an UART. An Intel EG20T PCH connects the I/O peripherals, but only
the SATA bus is emulated.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Paul Burton <pburton@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190311005618.19007-6-philmd@redhat.com>

configs/devices/mips64el-softmmu/default.mak

@@ -8,8 +8,4 @@ CONFIG_ATI_VGA=y
 CONFIG_RTL8139_PCI=y
 CONFIG_JAZZ=y
 CONFIG_VT82C686=y
-CONFIG_AHCI=y
 CONFIG_MIPS_BOSTON=y
-CONFIG_FITLOADER=y
-CONFIG_PCI_EXPRESS=y
-CONFIG_PCI_EXPRESS_XILINX=y

hw/mips/Kconfig

@@ -51,6 +51,11 @@ config MIPS_CPS
 
 config MIPS_BOSTON
     bool
+    select FITLOADER
+    select MIPS_CPS
+    select PCI_EXPRESS_XILINX
+    select AHCI_ICH9
+    select SERIAL
 
 config FW_CFG_MIPS
     bool