etnaviv: Add missing includes after 6ace0b8

Add missing includes after 6ace0b8 (etnaviv: don't enable RT
full-overwrite when logicop is enabled), otherwise the etnaviv driver
won't build because of missing macros.

Signed-off-by: Wladimir J. van der Laan <laanwj@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Tested-by: Andres Gomez <agomez@igalia.com>

src/gallium/drivers/etnaviv/etnaviv_blend.c

@@ -27,7 +27,9 @@
 #include "etnaviv_blend.h"
 
 #include "etnaviv_context.h"
+#include "etnaviv_screen.h"
 #include "etnaviv_translate.h"
+#include "hw/common.xml.h"
 #include "pipe/p_defines.h"
 #include "util/u_memory.h"