MLK-21299 ARM64: dts: imx8mm-evk: add interrupt support for ADV7535

Add interrupt and related pinctrl properties for ADV7535,
the interrupt can be used for hotplug, edid ready and etc
in the adv bridge driver.

Signed-off-by: Fancy Fang <chen.fang@nxp.com>
(cherry picked from commit 23141ea22f44fcd87ed8bc2d130776b07a94d4e3)

arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts

@@ -686,6 +686,10 @@
 		reg = <0x3d>;
 		adi,addr-cec = <0x3b>;
 		adi,dsi-lanes = <4>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c2_synaptics_dsx_io>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
 		status = "okay";
 
 		port {