at91: nand: switch atmel_nand to generic GPIO API

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Acked-by: Jens Scharsig (BuS Elektronik)<esw@bus-elektronik.de>
Tested-by: Jens Scharsig (BuS Elektronik)<esw@bus-elektronik.de>
Acked-by: Scott Wood <scottwood@freescale.com>
diff --git a/include/configs/pm9261.h b/include/configs/pm9261.h
index acf6d61..f977e25 100644
--- a/include/configs/pm9261.h
+++ b/include/configs/pm9261.h
@@ -219,8 +219,8 @@
 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 22)
 /* our CLE is AD21 */
 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 21)
-#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIO_PORTC, 14
-#define CONFIG_SYS_NAND_READY_PIN		AT91_PIO_PORTA, 16
+#define CONFIG_SYS_NAND_ENABLE_PIN		GPIO_PIN_PC(14)
+#define CONFIG_SYS_NAND_READY_PIN		GPIO_PIN_PA(16)
 
 /* NOR flash */
 #define CONFIG_SYS_FLASH_CFI			1