DaVinci: rename gpio_defs.h to gpio.h

In preparation for a generic GPIO driver for the DA8xx processors,
rename <asm/arch/gpio_defs.h> to <asm/arch/gpio.h> and fix up all files
which include it.

Signed-off-by: Laurence Withers <lwithers@guralp.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

board/davinci/dm355leopard/dm355leopard.c

@@ -20,7 +20,7 @@
 #include <nand.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
-#include <asm/arch/gpio_defs.h>
+#include <asm/arch/gpio.h>
 #include <asm/arch/nand_defs.h>
 #include <asm/arch/davinci_misc.h>
 #include <net.h>

board/davinci/dm365evm/dm365evm.c

@@ -22,7 +22,7 @@
 #include <asm/arch/hardware.h>
 #include <asm/arch/emif_defs.h>
 #include <asm/arch/nand_defs.h>
-#include <asm/arch/gpio_defs.h>
+#include <asm/arch/gpio.h>
 #include <netdev.h>
 #include <asm/arch/davinci_misc.h>
 #ifdef CONFIG_DAVINCI_MMC

drivers/usb/musb/da8xx.h

@@ -25,7 +25,7 @@
 #define __DA8XX_MUSB_H__
 
 #include <asm/arch/hardware.h>
-#include <asm/arch/gpio_defs.h>
+#include <asm/arch/gpio.h>
 #include "musb_core.h"
 
 /* Base address of da8xx usb0 wrapper */