drivers: pinctrl: Add simple pinctrl driver for Qualcomm/Atheros ar933x.

This is a simple pinctrl driver, it just support uart and spi pin-mux now.

Signed-off-by: Wills Wang <wills.wang@live.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[fixed typo in commit subject line]
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index 37dc904..b99ed2f 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -6,6 +6,7 @@
 obj-$(CONFIG_$(SPL_)PINCTRL_GENERIC)	+= pinctrl-generic.o
 
 obj-y					+= nxp/
+obj-$(CONFIG_ARCH_ATH79) += ath79/
 obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
 obj-$(CONFIG_PINCTRL_SANDBOX)	+= pinctrl-sandbox.o