mboxd: Rename flash files

Change-Id: Icfe9d61775a198c5a0f8227bf5d6c4b7f11aeec3
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/mboxd_lpc.c b/mboxd_lpc.c
index a9c686d..8d5885a 100644
--- a/mboxd_lpc.c
+++ b/mboxd_lpc.c
@@ -27,7 +27,7 @@
 #include "mbox.h"
 #include "common.h"
 #include "mboxd_lpc.h"
-#include "mboxd_flash.h"
+#include "flash.h"
 #include <linux/aspeed-lpc-ctrl.h>
 
 #define LPC_CTRL_PATH		"/dev/aspeed-lpc-ctrl"