gallium/radeon: merge USER_SHADER and INTERNAL_SHADER priority flags

there's no reason to separate these

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/gallium/drivers/radeonsi/si_debug.c

@@ -553,8 +553,7 @@ static const char *priority_to_string(enum radeon_bo_priority priority)
 	        ITEM(SDMA_BUFFER),
 	        ITEM(SDMA_TEXTURE),
 		ITEM(CP_DMA),
-	        ITEM(USER_SHADER),
-	        ITEM(INTERNAL_SHADER),
+	        ITEM(SHADER_BINARY),
 	        ITEM(CONST_BUFFER),
 	        ITEM(DESCRIPTORS),
 	        ITEM(BORDER_COLORS),