gpio/tegra: Move Tegra gpio driver to drivers/gpio

As part of the gpio driver consolidation, this patch moves the Tegra driver
into drivers/gpio

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Colin Cross <ccross@android.com>
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index b605f8e..85d85a3 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -27,6 +27,7 @@
 obj-$(CONFIG_GPIO_PL061)	+= pl061.o
 obj-$(CONFIG_GPIO_STMPE)	+= stmpe-gpio.o
 obj-$(CONFIG_GPIO_TC3589X)	+= tc3589x-gpio.o
+obj-$(CONFIG_ARCH_TEGRA)	+= gpio-tegra.o
 obj-$(CONFIG_GPIO_TIMBERDALE)	+= timbgpio.o
 obj-$(CONFIG_GPIO_TWL4030)	+= twl4030-gpio.o
 obj-$(CONFIG_GPIO_UCB1400)	+= ucb1400_gpio.o