drm/vmwgfx: Add SVGA_3D_CMD_DEFINE_GB_SURFACE_V4 to command array.

Without this definition device errors will display the command name
as (null) when debug logging is enabled.
Signed-off-by: Ian Forbes <ian.forbes@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240108211655.13187-1-ian.forbes@broadcom.com

drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

@@ -3603,6 +3603,8 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
 		    &vmw_cmd_dx_bind_streamoutput, true, false, true),
 	VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE_V2,
 		    &vmw_cmd_dx_so_define, true, false, true),
+	VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V4,
+		    &vmw_cmd_invalid, false, false, true),
 };
 
 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)