brcm47xx: add gpio_set_debounce function

SVN-Revision: 24968

target/linux/brcm47xx/patches-2.6.36/040-bcm47xx-add-gpio_set_debounce.patch

+--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
++++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
+@@ -58,6 +58,10 @@ static inline int gpio_polarity(unsigned
+ 	return 0;
+ }
+ 
++static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
++{
++	return -ENOSYS;
++}
+ 
+ /* cansleep wrappers */
+ #include <asm-generic/gpio.h>

target/linux/brcm47xx/patches-2.6.37/040-bcm47xx-add-gpio_set_debounce.patch

+--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
++++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
+@@ -58,6 +58,10 @@ static inline int gpio_polarity(unsigned
+ 	return 0;
+ }
+ 
++static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
++{
++	return -ENOSYS;
++}
+ 
+ /* cansleep wrappers */
+ #include <asm-generic/gpio.h>