libvpx: Pull from upstream

source/config/linux/x64/vp9_rtcd.h

Index: source/config/linux/x64/vp9_rtcd.h
diff --git a/source/config/linux/x64/vp9_rtcd.h b/source/config/linux/x64/vp9_rtcd.h
index 46754070577510196ecdcef262c69f5d8841bea7..0834e762f34988003b2a6479df6e838d14a30c96 100644
--- a/source/config/linux/x64/vp9_rtcd.h
+++ b/source/config/linux/x64/vp9_rtcd.h
@@ -116,7 +116,8 @@ void vp9_d153_predictor_16x16_ssse3(uint8_t *dst, ptrdiff_t y_stride, const uint
 RTCD_EXTERN void (*vp9_d153_predictor_16x16)(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
 
 void vp9_d153_predictor_32x32_c(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
-#define vp9_d153_predictor_32x32 vp9_d153_predictor_32x32_c
+void vp9_d153_predictor_32x32_ssse3(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
+RTCD_EXTERN void (*vp9_d153_predictor_32x32)(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
 
 void vp9_d153_predictor_4x4_c(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
 void vp9_d153_predictor_4x4_ssse3(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
@@ -712,6 +713,8 @@ static void setup_rtcd_internal(void)
     if (flags & HAS_AVX2) vp9_convolve8_vert = vp9_convolve8_vert_avx2;
     vp9_d153_predictor_16x16 = vp9_d153_predictor_16x16_c;
     if (flags & HAS_SSSE3) vp9_d153_predictor_16x16 = vp9_d153_predictor_16x16_ssse3;
+    vp9_d153_predictor_32x32 = vp9_d153_predictor_32x32_c;
+    if (flags & HAS_SSSE3) vp9_d153_predictor_32x32 = vp9_d153_predictor_32x32_ssse3;
     vp9_d153_predictor_4x4 = vp9_d153_predictor_4x4_c;
     if (flags & HAS_SSSE3) vp9_d153_predictor_4x4 = vp9_d153_predictor_4x4_ssse3;
     vp9_d153_predictor_8x8 = vp9_d153_predictor_8x8_c;