Make TARGET_CPU_VARIANT the same as TARGET_ARCH_VARIANT for Mips.

This is used to set --instruction-set-variant for dex2oat.

Change-Id: Ic93d1bfab634489e004ccf1195cdcfc767f092ef
diff --git a/target/board/generic_mips/BoardConfig.mk b/target/board/generic_mips/BoardConfig.mk
index dbc715a..736ad7f 100644
--- a/target/board/generic_mips/BoardConfig.mk
+++ b/target/board/generic_mips/BoardConfig.mk
@@ -28,6 +28,9 @@
 endif
 TARGET_CPU_ABI  := mips
 
+# Make TARGET_CPU_VARIANT the same as TARGET_ARCH_VARIANT
+TARGET_CPU_VARIANT := $(TARGET_ARCH_VARIANT)
+
 HAVE_HTC_AUDIO_DRIVER := true
 BOARD_USES_GENERIC_AUDIO := true
 
diff --git a/target/board/generic_mips64/BoardConfig.mk b/target/board/generic_mips64/BoardConfig.mk
index f8cf4f0..caebacc 100644
--- a/target/board/generic_mips64/BoardConfig.mk
+++ b/target/board/generic_mips64/BoardConfig.mk
@@ -38,6 +38,10 @@
 endif
 TARGET_2ND_CPU_ABI  := mips
 
+# Make TARGET_XXX_CPU_VARIANT the same as TARGET_XXX_ARCH_VARIANT
+TARGET_CPU_VARIANT := $(TARGET_ARCH_VARIANT)
+TARGET_2ND_CPU_VARIANT := $(TARGET_2ND_ARCH_VARIANT)
+
 # The emulator (qemu) uses the Goldfish devices
 HAVE_HTC_AUDIO_DRIVER := true
 BOARD_USES_GENERIC_AUDIO := true