[ARM] pxa: removed unused declarations of pxa_gpio_* in hardware.h

pxa_gpio_{get,set}_value() are not used anymore, remove them from hardware.h.
Declaration of pxa_gpio_mode() is still being referenced and thus moved into
pxa2xx-gpio.h
Signed-off-by: Eric Miao <eric.miao@marvell.com>

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

@@ -257,21 +257,6 @@
 		__cpu_is_pxa3xx(read_cpuid_id());	\
 	 })
 
-/*
- * Handy routine to set GPIO alternate functions
- */
-extern int pxa_gpio_mode( int gpio_mode );
-
-/*
- * Return GPIO level, nonzero means high, zero is low
- */
-extern int pxa_gpio_get_value(unsigned gpio);
-
-/*
- * Set output GPIO level
- */
-extern void pxa_gpio_set_value(unsigned gpio, int value);
-
 /*
  * return current memory and LCD clock frequency in units of 10kHz
  */

arch/arm/mach-pxa/include/mach/pxa2xx-gpio.h

@@ -365,4 +365,9 @@
 #define GPIO117_I2CSCL_MD	(117 | GPIO_ALT_FN_1_IN)
 #define GPIO118_I2CSDA_MD	(118 | GPIO_ALT_FN_1_IN)
 
+/*
+ * Handy routine to set GPIO alternate functions
+ */
+extern int pxa_gpio_mode( int gpio_mode );
+
 #endif /* __ASM_ARCH_PXA2XX_GPIO_H */