libvpx: Pull from upstream

source/config/linux/arm/vp9_rtcd.h

Index: source/config/linux/arm/vp9_rtcd.h
===================================================================
--- source/config/linux/arm/vp9_rtcd.h	(revision 223099)
+++ source/config/linux/arm/vp9_rtcd.h	(working copy)
@@ -219,18 +219,6 @@
 void vp9_loop_filter_horizontal_edge_c(uint8_t *s, int pitch, const uint8_t *blimit, const uint8_t *limit, const uint8_t *thresh, int count);
 #define vp9_loop_filter_horizontal_edge vp9_loop_filter_horizontal_edge_c
 
-void vp9_mbpost_proc_down_c(uint8_t *dst, int pitch, int rows, int cols, int flimit);
-#define vp9_mbpost_proc_down vp9_mbpost_proc_down_c
-
-void vp9_mbpost_proc_across_ip_c(uint8_t *src, int pitch, int rows, int cols, int flimit);
-#define vp9_mbpost_proc_across_ip vp9_mbpost_proc_across_ip_c
-
-void vp9_post_proc_down_and_across_c(const uint8_t *src_ptr, uint8_t *dst_ptr, int src_pixels_per_line, int dst_pixels_per_line, int rows, int cols, int flimit);
-#define vp9_post_proc_down_and_across vp9_post_proc_down_and_across_c
-
-void vp9_plane_add_noise_c(uint8_t *Start, char *noise, char blackclamp[16], char whiteclamp[16], char bothclamp[16], unsigned int Width, unsigned int Height, int Pitch);
-#define vp9_plane_add_noise vp9_plane_add_noise_c
-
 void vp9_blend_mb_inner_c(uint8_t *y, uint8_t *u, uint8_t *v, int y1, int u1, int v1, int alpha, int stride);
 #define vp9_blend_mb_inner vp9_blend_mb_inner_c