pinctrl: renesas: add R906G032 driver

Pinctrl/pinconf driver for Renesas RZ/N1 (R906G032) SoC.

This is quite rudimentary right now, and only supports applying a
default pin configuration as specified by the device tree.

Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index 852adee..fc1f01a 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -14,6 +14,7 @@
 obj-$(CONFIG_ARCH_MTMIPS) += mtmips/
 obj-$(CONFIG_ARCH_NPCM)         += nuvoton/
 obj-$(CONFIG_ARCH_RMOBILE) += renesas/
+obj-$(CONFIG_ARCH_RZN1) += renesas/
 obj-$(CONFIG_PINCTRL_SANDBOX)	+= pinctrl-sandbox.o
 obj-$(CONFIG_PINCTRL_SUNXI)	+= sunxi/
 obj-$(CONFIG_PINCTRL_UNIPHIER)	+= uniphier/