ARM: 7043/1: mach-ixp2000: rename GPIO header

The ixp2000 abuses the <mach/gpio.h> namespace by not implementing
any generic GPIO nor gpiolib functions in it - just custom GPIO.
Rename the header to <mach/gpio-ixp2000.h> for clarity.

Cc: Lennert Buytenhek <kernel@wantstofly.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ixp2000/core.c

@@ -39,6 +39,8 @@
 #include <asm/mach/time.h>
 #include <asm/mach/irq.h>
 
+#include <mach/gpio-ixp2000.h>
+
 static DEFINE_SPINLOCK(ixp2000_slowport_lock);
 static unsigned long ixp2000_slowport_irq_flags;
 

arch/arm/mach-ixp2000/ixdp2x00.c

@@ -41,6 +41,7 @@
 #include <asm/mach/flash.h>
 #include <asm/mach/arch.h>
 
+#include <mach/gpio-ixp2000.h>
 
 /*************************************************************************
  * IXDP2x00 IRQ Initialization

drivers/i2c/busses/i2c-ixp2000.c

@@ -35,7 +35,7 @@
 #include <linux/slab.h>
 
 #include <mach/hardware.h>	/* Pick up IXP2000-specific bits */
-#include <asm/gpio.h>
+#include <mach/gpio-ixp2000.h>
 
 static inline int ixp2000_scl_pin(void *data)
 {