Bugfix: Add config.h include to files missing it

bitforce-firmware-flash.c

@@ -7,6 +7,8 @@
  * any later version.  See COPYING for more details.
  */
 
+#include "config.h"
+
 #define _BSD_SOURCE
 #include <stdint.h>
 #include <stdio.h>

gc3355.c

@@ -10,6 +10,8 @@
  * any later version.  See COPYING for more details.
  */
 
+#include "config.h"
+
 #include "gc3355.h"
 
 #include <stdint.h>