gpio_msm: Move Qualcomm v6 MSM driver into drivers

Migrate the driver for the v6-based MSM chips into drivers/gpio.  The
driver is unchanged, only moved.

Change-Id: I03ba597b95b4d62b42da112a8efac88d67aa40f9
Signed-off-by: David Brown <davidb@codeaurora.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 2967002..382c67c 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -90,6 +90,14 @@
 	def_bool y
 	depends on CPU_EXYNOS4210
 
+config GPIO_MSM_V1
+	tristate "Qualcomm MSM GPIO v1"
+	depends on GPIOLIB && ARCH_MSM
+	help
+	  Say yes here to support the GPIO interface on ARM v6 based
+	  Qualcomm MSM chips.  Most of the pins on the MSM can be
+	  selected for GPIO, and are controlled by this driver.
+
 config GPIO_PLAT_SAMSUNG
 	def_bool y
 	depends on SAMSUNG_GPIOLIB_4BIT