pinctrl: nuvoton: Add NPCM7xx pinctrl driver

Add Nuvoton BMC NPCM750 Pinmux and Pinconf support.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
diff --git a/drivers/pinctrl/nuvoton/Kconfig b/drivers/pinctrl/nuvoton/Kconfig
new file mode 100644
index 0000000..07f65f7
--- /dev/null
+++ b/drivers/pinctrl/nuvoton/Kconfig
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config PINCTRL_NPCM7XX
+	bool "Pinctrl and GPIO driver for Nuvoton NPCM7XX"
+	depends on DM && PINCTRL_GENERIC && ARCH_NPCM7xx
+	help
+	  Say Y here to enable pin controller and GPIO support
+	  for Nuvoton NPCM750/730/715/705 SoCs.