Enable the vp9 temporal denoiser

source/config/linux/generic/vp9_rtcd.h

 #ifndef VP9_RTCD_H_
 #define VP9_RTCD_H_
 
 #ifdef RTCD_C
 #define RTCD_EXTERN
 #else
 #define RTCD_EXTERN extern
 #endif
 
 /*
@@ skipping 164 matching lines @@
 
 void vp9_dc_top_predictor_32x32_c(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
 #define vp9_dc_top_predictor_32x32 vp9_dc_top_predictor_32x32_c
 
 void vp9_dc_top_predictor_4x4_c(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
 #define vp9_dc_top_predictor_4x4 vp9_dc_top_predictor_4x4_c
 
 void vp9_dc_top_predictor_8x8_c(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
 #define vp9_dc_top_predictor_8x8 vp9_dc_top_predictor_8x8_c
 
+int vp9_denoiser_filter_c(const uint8_t *sig, int sig_stride, const uint8_t *mc_avg, int mc_avg_stride, uint8_t *avg, int avg_stride, int increase_denoising, BLOCK_SIZE bs, int motion_magnitude);
+#define vp9_denoiser_filter vp9_denoiser_filter_c
+
 int vp9_diamond_search_sad_c(const struct macroblock *x, const struct search_site_config *cfg,  struct mv *ref_mv, struct mv *best_mv, int search_param, int sad_per_bit, int *num00, const struct vp9_variance_vtable *fn_ptr, const struct mv *center_mv);
 #define vp9_diamond_search_sad vp9_diamond_search_sad_c
 
 void vp9_fdct16x16_c(const int16_t *input, tran_low_t *output, int stride);
 #define vp9_fdct16x16 vp9_fdct16x16_c
 
 void vp9_fdct16x16_1_c(const int16_t *input, tran_low_t *output, int stride);
 #define vp9_fdct16x16_1 vp9_fdct16x16_1_c
 
 void vp9_fdct32x32_c(const int16_t *input, tran_low_t *output, int stride);
@@ skipping 484 matching lines @@
 static void setup_rtcd_internal(void)
 {
 }
 #endif
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif