[MIPSR6] Skip pixelflinger, memset assembler code on mips32r6

Temporarily use generic C-coded libpixelflinger & memset on mips32r6.

Change-Id: I629b11ba955eaba323cba1df96c39f75f4d24d62
diff --git a/libcutils/Android.mk b/libcutils/Android.mk
index b016a42..12a3bf9 100644
--- a/libcutils/Android.mk
+++ b/libcutils/Android.mk
@@ -124,9 +124,17 @@
 LOCAL_SRC_FILES_arm64 += \
         arch-arm64/android_memset.S \
 
+ifndef ARCH_MIPS_REV6
 LOCAL_SRC_FILES_mips += \
         arch-mips/android_memset.c \
 
+LOCAL_CFLAGS_mips += -DHAVE_MEMSET16 -DHAVE_MEMSET32
+endif
+
+# TODO: switch mips64 back to using arch-mips/android_memset.c
+LOCAL_SRC_FILES_mips64 += \
+#       arch-mips/android_memset.c \
+
 LOCAL_SRC_FILES_x86 += \
         arch-x86/android_memset16.S \
         arch-x86/android_memset32.S \
@@ -137,7 +145,7 @@
 
 LOCAL_CFLAGS_arm += -DHAVE_MEMSET16 -DHAVE_MEMSET32
 LOCAL_CFLAGS_arm64 += -DHAVE_MEMSET16 -DHAVE_MEMSET32
-LOCAL_CFLAGS_mips += -DHAVE_MEMSET16 -DHAVE_MEMSET32
+#LOCAL_CFLAGS_mips64 += -DHAVE_MEMSET16 -DHAVE_MEMSET32
 LOCAL_CFLAGS_x86 += -DHAVE_MEMSET16 -DHAVE_MEMSET32
 LOCAL_CFLAGS_x86_64 += -DHAVE_MEMSET16 -DHAVE_MEMSET32