arm: dts: mt8370: enable cec module

mt8370.dtsi: enable cec module.
add interrupts, clocks, clock-names and hdmi phandle.

The cec is default enabled. It can be disabled by setting
status = "disabled";

Change-Id: I8403ab3a8c409fe9fe67dc4ac8c4b5318d8c02c3
Signed-off-by: Tommy Chen <tommyyl.chen@mediatek.com>

arch/arm64/boot/dts/mediatek/mt8370.dtsi

@@ -793,9 +793,18 @@ apmixedsys: syscon@1000c000 {
 		};
 
 		cec: cec@10014000 {
-			compatible = "mediatek,mt8188-cec";
+			compatible = "mediatek,cec2";
 			reg = <0 0x10014000 0 0x100>;
 			interrupts = <GIC_SPI 680 IRQ_TYPE_LEVEL_HIGH 0>;
+			clocks = <&infracfg_ao CLK_INFRA_AO_CEC_66M_HCLK>,
+				<&infracfg_ao CLK_INFRA_AO_CEC_66M_BCLK>,
+				<&infracfg_ao CLK_INFRA_AO_HDMI_32K>,
+				<&infracfg_ao CLK_INFRA_AO_HDMI_26M>;
+			clock-names = "cec_66m_h",
+				"cec_66m_b",
+				"hdmi_32k",
+				"hdmi_26m";
+			hdmi = <&hdmi0>;
 		};
 
 		pwm: pwm@10048000 {