pinctrl: imx8m: support i.MX8MP

Add i.MX8MP compatible to let the pinctrl driver could support
i.MX8MP.
Reviewed-by: NYe Li <ye.li@nxp.com>
Signed-off-by: NPeng Fan <peng.fan@nxp.com>

drivers/pinctrl/nxp/pinctrl-imx8m.c

@@ -22,6 +22,7 @@ static const struct udevice_id imx8m_pinctrl_match[] = {
 	{ .compatible = "fsl,imx8mq-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
 	{ .compatible = "fsl,imx8mm-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
 	{ .compatible = "fsl,imx8mn-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
+	{ .compatible = "fsl,imx8mp-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
 	{ /* sentinel */ }
 };