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/renesas/Makefile b/drivers/pinctrl/renesas/Makefile
index 5cea142..1a61c39 100644
--- a/drivers/pinctrl/renesas/Makefile
+++ b/drivers/pinctrl/renesas/Makefile
@@ -20,3 +20,4 @@
 obj-$(CONFIG_PINCTRL_PFC_R8A779F0) += pfc-r8a779f0.o
 obj-$(CONFIG_PINCTRL_PFC_R8A779G0) += pfc-r8a779g0.o
 obj-$(CONFIG_PINCTRL_PFC_R7S72100) += pfc-r7s72100.o
+obj-$(CONFIG_PINCTRL_RZN1) += pinctrl-rzn1.o