Blackfin: BF54x: add ifdef protection to gpio header

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/mach-bf548/include/mach/gpio.h

@@ -3,6 +3,10 @@
  * Licensed under the GPL-2 or later.
  */
 
+
+#ifndef _MACH_GPIO_H_
+#define _MACH_GPIO_H_
+
 #define GPIO_PA0	0
 #define GPIO_PA1	1
 #define GPIO_PA2	2
@@ -166,6 +170,8 @@
 
 #define MAX_BLACKFIN_GPIOS 160
 
+#ifndef __ASSEMBLY__
+
 struct gpio_port_t {
 	unsigned short port_fer;
 	unsigned short dummy1;
@@ -191,3 +197,7 @@ struct gpio_port_s {
 	unsigned short inen;
 	unsigned int mux;
 };
+
+#endif
+
+#endif /* _MACH_GPIO_H_ */