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)