libvpx: Pull from upstream

source/config/linux/arm-neon-cpu-detect/vp8_rtcd.h

 #ifndef VP8_RTCD_H_
 #define VP8_RTCD_H_
 
 #ifdef RTCD_C
 #define RTCD_EXTERN
 #else
 #define RTCD_EXTERN extern
 #endif
 
 /*
  * VP8
  */
 
 struct blockd;
 struct macroblockd;
 struct loop_filter_info;
 
 /* Encoder forward decls */
 struct block;
 struct macroblock;
 struct variance_vtable;
 union int_mv;
 struct yv12_buffer_config;
 
+void vp8_clear_system_state_c();
+#define vp8_clear_system_state vp8_clear_system_state_c
+
 void vp8_dequantize_b_c(struct blockd*, short *dqc);
 void vp8_dequantize_b_v6(struct blockd*, short *dqc);
 void vp8_dequantize_b_neon(struct blockd*, short *dqc);
 RTCD_EXTERN void (*vp8_dequantize_b)(struct blockd*, short *dqc);
 
 void vp8_dequant_idct_add_c(short *input, short *dq, unsigned char *output, int stride);
 void vp8_dequant_idct_add_v6(short *input, short *dq, unsigned char *output, int stride);
 void vp8_dequant_idct_add_neon(short *input, short *dq, unsigned char *output, int stride);
 RTCD_EXTERN void (*vp8_dequant_idct_add)(short *input, short *dq, unsigned char *output, int stride);
 
@@ skipping 382 matching lines @@
 #include "vpx_config.h"
 
 #ifdef RTCD_C
 #include "vpx_ports/arm.h"
 static void setup_rtcd_internal(void)
 {
     int flags = arm_cpu_caps();
 
     (void)flags;
 
+
     vp8_dequantize_b = vp8_dequantize_b_c;
     if (flags & HAS_MEDIA) vp8_dequantize_b = vp8_dequantize_b_v6;
     if (flags & HAS_NEON) vp8_dequantize_b = vp8_dequantize_b_neon;
 
     vp8_dequant_idct_add = vp8_dequant_idct_add_c;
     if (flags & HAS_MEDIA) vp8_dequant_idct_add = vp8_dequant_idct_add_v6;
     if (flags & HAS_NEON) vp8_dequant_idct_add = vp8_dequant_idct_add_neon;
 
     vp8_dequant_idct_add_y_block = vp8_dequant_idct_add_y_block_c;
     if (flags & HAS_MEDIA) vp8_dequant_idct_add_y_block = vp8_dequant_idct_add_y_block_v6;
@@ skipping 231 matching lines @@
     if (flags & HAS_NEON) vp8_subtract_mbuv = vp8_subtract_mbuv_neon;
 
 
 
 
     vp8_yv12_copy_partial_frame = vp8_yv12_copy_partial_frame_c;
     if (flags & HAS_NEON) vp8_yv12_copy_partial_frame = vp8_yv12_copy_partial_frame_neon;
 }
 #endif
 #endif