media: dt-bindings: media: mtk-cir: Add support for MT7622 SoC

found in Mediatek SoC family

Required properties:

- compatible	    : "mediatek,mt7623-cir"

- compatible	    : Should be

			"mediatek,mt7623-cir": for MT7623 SoC

			"mediatek,mt7622-cir": for MT7622 SoC

- clocks	    : list of clock specifiers, corresponding to

		      entries in clock-names property;

- clock-names	    : should contain "clk" entries;

- clock-names	    : should contain

			- "clk" entries: for MT7623 SoC

			- "clk", "bus" entries: for MT7622 SoC

- interrupts	    : should contain IR IRQ number;

- reg		    : should contain IO map address for IR.