libvpx: Pull from upstream

source/libvpx/vpx_dsp/arm/idct4x4_1_add_neon.asm

 ;
 ;  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
 ;
 ;  Use of this source code is governed by a BSD-style license and patent
 ;  grant that can be found in the LICENSE file in the root of the source
 ;  tree. All contributing project authors may be found in the AUTHORS
 ;  file in the root of the source tree.
 ;
 
 
-    EXPORT  |vp9_idct4x4_1_add_neon|
+    EXPORT  |vpx_idct4x4_1_add_neon|
     ARM
     REQUIRE8
     PRESERVE8
 
     AREA ||.text||, CODE, READONLY, ALIGN=2
 
-;void vp9_idct4x4_1_add_neon(int16_t *input, uint8_t *dest,
+;void vpx_idct4x4_1_add_neon(int16_t *input, uint8_t *dest,
 ;                                  int dest_stride)
 ;
 ; r0  int16_t input
 ; r1  uint8_t *dest
 ; r2  int dest_stride)
 
-|vp9_idct4x4_1_add_neon| PROC
+|vpx_idct4x4_1_add_neon| PROC
     ldrsh            r0, [r0]
 
     ; generate cospi_16_64 = 11585
     mov              r12, #0x2d00
     add              r12, #0x41
 
     ; out = dct_const_round_shift(input[0] * cospi_16_64)
     mul              r0, r0, r12               ; input[0] * cospi_16_64
     add              r0, r0, #0x2000           ; +(1 << ((DCT_CONST_BITS) - 1))
     asr              r0, r0, #14               ; >> DCT_CONST_BITS
@@ skipping 20 matching lines @@
 
     vqmovun.s16      d6, q8                    ; clip_pixel
     vqmovun.s16      d7, q9
 
     vst1.32          {d6[0]}, [r12], r2
     vst1.32          {d6[1]}, [r12], r2
     vst1.32          {d7[0]}, [r12], r2
     vst1.32          {d7[1]}, [r12]
 
     bx               lr
-    ENDP             ; |vp9_idct4x4_1_add_neon|
+    ENDP             ; |vpx_idct4x4_1_add_neon|
 
     END