[ARM] pxa: removing dead ARCH_GUMSTIX_ORIG

ARCH_GUMSTIX_ORIG doesn't exist in Kconfig, therefore removing all
references for it from the source code.
Signed-off-by: NChristoph Egger <siccegge@cs.fau.de>
Acked-by: NJaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: NEric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/include/mach/gumstix.h

@@ -14,25 +14,15 @@
 
 /*
 GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
-interrupt signal for determining cable presence. On the original gumstix,
-this is GPIO81, and GPIO83 needs to be defined as well. On the gumstix F,
+interrupt signal for determining cable presence. On the gumstix F,
 this moves to GPIO17 and GPIO37. */
 
 /* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
 has detected a cable insertion; driven low otherwise. */
 
-#ifdef CONFIG_ARCH_GUMSTIX_ORIG
-
-#define GPIO_GUMSTIX_USB_GPIOn		81
-#define GPIO_GUMSTIX_USB_GPIOx		83
-
-#else
-
 #define GPIO_GUMSTIX_USB_GPIOn		35
 #define GPIO_GUMSTIX_USB_GPIOx		41
 
-#endif
-
 /* usb state change */
 #define GUMSTIX_USB_INTR_IRQ		IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn)