arm64: dts: imx8mp-msc-sm2s: Add HDMI output

Enable the HDMI output of the MSC SM2-MB-EP1 carrier board based the
SM2S-IMX8PLUS SMARC module.
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-ep1.dts

@@ -46,6 +46,24 @@ codec_dai: simple-audio-card,codec {
 	};
 };
 
+&hdmi_pvi {
+	status = "okay";
+};
+
+&hdmi_tx {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hdmi>;
+	status = "okay";
+};
+
+&hdmi_tx_phy {
+	status = "okay";
+};
+
+&lcdif3 {
+	status = "okay";
+};
+
 &i2c1 {
 	sgtl5000: audio-codec@a {
 		compatible = "fsl,sgtl5000";
@@ -92,6 +110,15 @@ &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_smarc_gpio>;
 
+	pinctrl_hdmi: hdmigrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL	0x1c2
+			MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA	0x1c2
+			MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC		0x10
+			MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD		0x10
+		>;
+	};
+
 	pinctrl_sai2: sai2grp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI2_TX_SYNC   0xd6