Include the architecture specific gpio file for now

SVN-Revision: 7381

target/linux/ar7-2.6/files/arch/mips/ar7/platform.c

@@ -31,7 +31,7 @@
 #include <asm/addrspace.h>
 #include <asm/io.h>
 #include <asm/ar7/ar7.h>
-#include <asm/gpio.h>
+#include <asm/ar7/gpio.h>
 #include <asm/ar7/vlynq.h>
 
 struct plat_vlynq_data {