libvpx: Pull from upstream

source/config/linux/arm64/vp9_rtcd.h

Index: source/config/linux/arm64/vp9_rtcd.h
diff --git a/source/config/linux/arm64/vp9_rtcd.h b/source/config/linux/arm64/vp9_rtcd.h
index 09d057ccd53856cb49dfbf034c8a5f2b28a4ecca..2d1721abce706fff233e523084089325b6c4b030 100644
--- a/source/config/linux/arm64/vp9_rtcd.h
+++ b/source/config/linux/arm64/vp9_rtcd.h
@@ -33,7 +33,8 @@ unsigned int vp9_avg_4x4_c(const uint8_t *, int p);
 #define vp9_avg_4x4 vp9_avg_4x4_c
 
 unsigned int vp9_avg_8x8_c(const uint8_t *, int p);
-#define vp9_avg_8x8 vp9_avg_8x8_c
+unsigned int vp9_avg_8x8_neon(const uint8_t *, int p);
+#define vp9_avg_8x8 vp9_avg_8x8_neon
 
 int64_t vp9_block_error_c(const tran_low_t *coeff, const tran_low_t *dqcoeff, intptr_t block_size, int64_t *ssz);
 #define vp9_block_error vp9_block_error_c
@@ -226,7 +227,8 @@ void vp9_fdct8x8_1_neon(const int16_t *input, tran_low_t *output, int stride);
 #define vp9_fdct8x8_1 vp9_fdct8x8_1_neon
 
 void vp9_fdct8x8_quant_c(const int16_t *input, int stride, tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, const int16_t *scan, const int16_t *iscan);
-#define vp9_fdct8x8_quant vp9_fdct8x8_quant_c
+void vp9_fdct8x8_quant_neon(const int16_t *input, int stride, tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, const int16_t *scan, const int16_t *iscan);
+#define vp9_fdct8x8_quant vp9_fdct8x8_quant_neon
 
 void vp9_fht16x16_c(const int16_t *input, tran_low_t *output, int stride, int tx_type);
 #define vp9_fht16x16 vp9_fht16x16_c
@@ -406,7 +408,8 @@ void vp9_sad16x16x3_c(const uint8_t *src_ptr, int source_stride, const uint8_t *
 #define vp9_sad16x16x3 vp9_sad16x16x3_c
 
 void vp9_sad16x16x4d_c(const uint8_t *src_ptr, int  src_stride, const uint8_t* const ref_ptr[], int  ref_stride, unsigned int *sad_array);
-#define vp9_sad16x16x4d vp9_sad16x16x4d_c
+void vp9_sad16x16x4d_neon(const uint8_t *src_ptr, int  src_stride, const uint8_t* const ref_ptr[], int  ref_stride, unsigned int *sad_array);
+#define vp9_sad16x16x4d vp9_sad16x16x4d_neon
 
 void vp9_sad16x16x8_c(const uint8_t *src_ptr, int  src_stride, const uint8_t *ref_ptr, int  ref_stride, uint32_t *sad_array);
 #define vp9_sad16x16x8 vp9_sad16x16x8_c
@@ -455,7 +458,8 @@ void vp9_sad32x32x3_c(const uint8_t *src_ptr, int source_stride, const uint8_t *
 #define vp9_sad32x32x3 vp9_sad32x32x3_c
 
 void vp9_sad32x32x4d_c(const uint8_t *src_ptr, int  src_stride, const uint8_t* const ref_ptr[], int  ref_stride, unsigned int *sad_array);
-#define vp9_sad32x32x4d vp9_sad32x32x4d_c
+void vp9_sad32x32x4d_neon(const uint8_t *src_ptr, int  src_stride, const uint8_t* const ref_ptr[], int  ref_stride, unsigned int *sad_array);
+#define vp9_sad32x32x4d vp9_sad32x32x4d_neon
 
 void vp9_sad32x32x8_c(const uint8_t *src_ptr, int  src_stride, const uint8_t *ref_ptr, int  ref_stride, uint32_t *sad_array);
 #define vp9_sad32x32x8 vp9_sad32x32x8_c
@@ -516,7 +520,8 @@ void vp9_sad64x64x3_c(const uint8_t *src_ptr, int source_stride, const uint8_t *
 #define vp9_sad64x64x3 vp9_sad64x64x3_c
 
 void vp9_sad64x64x4d_c(const uint8_t *src_ptr, int  src_stride, const uint8_t* const ref_ptr[], int  ref_stride, unsigned int *sad_array);
-#define vp9_sad64x64x4d vp9_sad64x64x4d_c
+void vp9_sad64x64x4d_neon(const uint8_t *src_ptr, int  src_stride, const uint8_t* const ref_ptr[], int  ref_stride, unsigned int *sad_array);
+#define vp9_sad64x64x4d vp9_sad64x64x4d_neon
 
 void vp9_sad64x64x8_c(const uint8_t *src_ptr, int  src_stride, const uint8_t *ref_ptr, int  ref_stride, uint32_t *sad_array);
 #define vp9_sad64x64x8 vp9_sad64x64x8_c