pinctrl: imx93: support i.MX91

Reuse i.MX93 pinctrl driver for i.MX91, because i.MX91 follows same
design as i.MX93 in IOMUXC controller.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/pinctrl/nxp/pinctrl-imx93.c b/drivers/pinctrl/nxp/pinctrl-imx93.c
index 9a5b9de..8d8ffec 100644
--- a/drivers/pinctrl/nxp/pinctrl-imx93.c
+++ b/drivers/pinctrl/nxp/pinctrl-imx93.c
@@ -22,6 +22,7 @@
 
 static const struct udevice_id imx93_pinctrl_match[] = {
 	{ .compatible = "fsl,imx93-iomuxc", .data = (ulong)&imx93_pinctrl_soc_info },
+	{ .compatible = "fsl,imx91-iomuxc", .data = (ulong)&imx93_pinctrl_soc_info },
 	{ /* sentinel */ }
 };