drivers/spi/flashconsole.c: Fix broken header

Change-Id: I61d28791fa75a32591448fc2c40186acfddca86d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/25413
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/spi/flashconsole.c

@@ -14,7 +14,7 @@
  */
 
 #include <arch/early_variables.h>
-#include <region.h>
+#include <commonlib/region.h>
 #include <boot_device.h>
 #include <fmap.h>
 #include <console/console.h>