libvpx: Pull from upstream

source/libvpx/vp9/encoder/x86/vp9_dct32x32_avx2_impl.h

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <immintrin.h>  // AVX2
+
+#include "./vp9_rtcd.h"
 #include "vp9/common/vp9_idct.h"  // for cospi constants
 #include "vpx_ports/mem.h"
 
 #define pair256_set_epi16(a, b) \
   _mm256_set_epi16((int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a), \
                    (int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a), \
                    (int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a), \
                    (int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a))
 
 #define pair256_set_epi32(a, b) \
@@ skipping 2680 matching lines @@
           _mm_storeu_si128((__m128i *)(output_nextStep + 6 * 32), _mm256_extractf128_si256(tr2_6,1));
           _mm_storeu_si128((__m128i *)(output_nextStep + 7 * 32), _mm256_extractf128_si256(tr2_7,1));
           // Process next 8x8
           output_currStep += 8;
           output_nextStep += 8;
         }
       }
     }
   }
 }  // NOLINT