Blackfin arch: add BF54x missing GPIO access functions

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/gpio.h b/include/asm-blackfin/gpio.h
index bc0cca0..e679703 100644
--- a/include/asm-blackfin/gpio.h
+++ b/include/asm-blackfin/gpio.h
@@ -234,6 +234,7 @@
 * MODIFICATION HISTORY :
 **************************************************************/
 
+#ifndef BF548_FAMILY
 void set_gpio_dir(unsigned short, unsigned short);
 void set_gpio_inen(unsigned short, unsigned short);
 void set_gpio_polar(unsigned short, unsigned short);
@@ -268,7 +269,6 @@
 unsigned short get_gpiop_maskb(unsigned short);
 unsigned short get_gpiop_data(unsigned short);
 
-#ifndef BF548_FAMILY
 struct gpio_port_t {
 	unsigned short data;
 	unsigned short dummy1;
@@ -363,8 +363,10 @@
 void gpio_set_value(unsigned short gpio, unsigned short arg);
 unsigned short gpio_get_value(unsigned short gpio);
 
+#ifndef BF548_FAMILY
 #define gpio_get_value(gpio) 		get_gpio_data(gpio)
 #define gpio_set_value(gpio, value)	set_gpio_data(gpio, value)
+#endif
 
 void gpio_direction_input(unsigned short gpio);
 void gpio_direction_output(unsigned short gpio);