gpio: remove VR41XX related gpio driver

Commit d3164e2f ("MIPS: Remove VR41xx support") removed support
for MIPS VR41xx platform, so remove exclusive drivers for this
platform, too.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

drivers/gpio/Kconfig

@@ -691,12 +691,6 @@ config GPIO_VISCONTI
 	help
 	  Say yes here to support GPIO on Tohisba Visconti.
 
-config GPIO_VR41XX
-	tristate "NEC VR4100 series General-purpose I/O Unit support"
-	depends on CPU_VR41XX
-	help
-	  Say yes here to support the NEC VR4100 series General-purpose I/O Unit.
-
 config GPIO_VX855
 	tristate "VIA VX855/VX875 GPIO"
 	depends on (X86 || COMPILE_TEST) && PCI

drivers/gpio/Makefile

@@ -169,7 +169,6 @@ obj-$(CONFIG_GPIO_VF610)		+= gpio-vf610.o
 obj-$(CONFIG_GPIO_VIPERBOARD)		+= gpio-viperboard.o
 obj-$(CONFIG_GPIO_VIRTIO)		+= gpio-virtio.o
 obj-$(CONFIG_GPIO_VISCONTI)		+= gpio-visconti.o
-obj-$(CONFIG_GPIO_VR41XX)		+= gpio-vr41xx.o
 obj-$(CONFIG_GPIO_VX855)		+= gpio-vx855.o
 obj-$(CONFIG_GPIO_WCD934X)		+= gpio-wcd934x.o
 obj-$(CONFIG_GPIO_WHISKEY_COVE)		+= gpio-wcove.o