pinctrl: nxp: add a pin controller driver based on SCMI pin control protocol

This patch provides a pinctrl driver based on SCMI pin control protocol.
Currently, only the PINCTRL_CONFIG_SET command is implemented.

Signed-off-by: Ranjani Vaidyanathan <Ranjani.Vaidyanathan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
diff --git a/drivers/pinctrl/nxp/Makefile b/drivers/pinctrl/nxp/Makefile
index 44e37c6..7d861ae 100644
--- a/drivers/pinctrl/nxp/Makefile
+++ b/drivers/pinctrl/nxp/Makefile
@@ -11,3 +11,4 @@
 obj-$(CONFIG_PINCTRL_MXS)		+= pinctrl-mxs.o
 obj-$(CONFIG_PINCTRL_VYBRID)		+= pinctrl-vf610.o
 obj-$(CONFIG_PINCTRL_IMXRT)		+= pinctrl-imxrt.o
+obj-$(CONFIG_PINCTRL_IMX_SCMI)		+= pinctrl-imx-scmi.o