gallium: import MAX_SHADER_BUFFERS from mesa

Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>

src/gallium/include/pipe/p_state.h

@@ -61,7 +61,7 @@ extern "C" {
 #define PIPE_MAX_SHADER_INPUTS    32
 #define PIPE_MAX_SHADER_OUTPUTS   48 /* 32 GENERICs + POS, PSIZE, FOG, etc. */
 #define PIPE_MAX_SHADER_SAMPLER_VIEWS 32
-#define PIPE_MAX_SHADER_RESOURCES 32
+#define PIPE_MAX_SHADER_BUFFERS   32
 #define PIPE_MAX_TEXTURE_LEVELS   16
 #define PIPE_MAX_SO_BUFFERS        4
 #define PIPE_MAX_SO_OUTPUTS       64