[D18] add flexcan support: can1, can2

arch/arm64/boot/dts/seco/seco-imx8mp-d18.dts

@@ -195,13 +195,13 @@
 &flexcan1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_flexcan1>;
-	status = "disabled";
+	status = "okay";
 };
 
 &flexcan2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_flexcan2>;
-	status = "disabled";
+	status = "okay";
 };
 
 &i2c1 {
@@ -676,8 +676,8 @@
 
 	pinctrl_flexcan1: flexcan1grp {
 		fsl,pins = <
-			MX8MP_IOMUXC_SPDIF_RX__CAN1_RX          0x154
-			MX8MP_IOMUXC_SPDIF_TX__CAN1_TX          0x154
+			MX8MP_IOMUXC_SAI5_RXD1__CAN1_TX		0x154
+			MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX		0x154
 		>;
 	};