arm64: dts: renesas: rzg2l: Drop #address-cells from pinctrl nodes

This fixes the below dtbs_check warning:

    arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dtb: pinctrl@11030000: #address-cells: 'anyOf' conditional failed, one must be fixed:
	[[2]] is not of type 'object'
	From schema: Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
    arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dtb: pinctrl@11030000: #address-cells: 'anyOf' conditional failed, one must be fixed:
	[[2]] is not of type 'object'
	From schema: Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
    arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dtb: pinctrl@11030000: #address-cells: 'anyOf' conditional failed, one must be fixed:
	[[2]] is not of type 'object'
	From schema: Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml

Drop #address-cells properties from pinctrl nodes as they have no
addressed child nodes.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20221107172953.63218-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Link: https://lore.kernel.org/r/20221107172953.63218-2-prabhakar.mahadev-lad.rj@bp.renesas.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>