QEMU: Enable package for MIPS targets

Allow QEMU to be installed on MIPS targets. Also introduce a new
symbol (BR2_PACKAGE_QEMU_ARCH_SUPPORTS_TARGET) to hold the
architectures than can build and use QEMU on the target.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/qemu/Config.in

@@ -1,11 +1,16 @@
+config BR2_PACKAGE_QEMU_ARCH_SUPPORTS_TARGET
+	bool
+	# Only tested on these architectures
+	default y if BR2_i386 || BR2_mips || BR2_mipsel || BR2_x86_64
+
 comment "QEMU requires a toolchain with wchar, threads"
-	depends on BR2_i386 || BR2_x86_64
+	depends on BR2_PACKAGE_QEMU_ARCH_SUPPORTS_TARGET
 	depends on BR2_USE_MMU
 	depends on !(BR2_TOOLCHAIN_HAS_THREADS && BR2_USE_WCHAR)
 
 config BR2_PACKAGE_QEMU
 	bool "QEMU"
-	depends on BR2_i386 || BR2_x86_64
+	depends on BR2_PACKAGE_QEMU_ARCH_SUPPORTS_TARGET
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_WCHAR # gettext
 	depends on BR2_USE_MMU # fork()

package/qemu/qemu.mk

@@ -32,8 +32,8 @@ HOST_QEMU_DEPENDENCIES = host-pkgconf host-python host-zlib host-libglib2 host-p
 #       microblaze      microblaze
 #       mips            mips
 #       mipsel          mipsel
-#       mips64          ?
-#       mips64el        ?
+#       mips64          mips64
+#       mips64el        mips64el
 #       powerpc         ppc
 #       sh2a            not supported
 #       sh4             sh4