radv: add some misc gfx9 pieces.

This just adds the strings and includes the gfx9 register defs
in some files that we need them in.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/amd/vulkan/si_cmd_buffer.c

@@ -30,6 +30,7 @@
 #include "radv_private.h"
 #include "radv_cs.h"
 #include "sid.h"
+#include "gfx9d.h"
 #include "radv_util.h"
 #include "main/macros.h"