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/ath79/Makefile b/drivers/pinctrl/ath79/Makefile
new file mode 100644
index 0000000..3fdcf6c
--- /dev/null
+++ b/drivers/pinctrl/ath79/Makefile
@@ -0,0 +1,5 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-$(CONFIG_AR933X_PINCTRL) += pinctrl_ar933x.o