arm64: dts: renesas: r9a07g054: Update pinctrl node to handle GPIO interrupts

Add required properties in pinctrl node to handle GPIO interrupts.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220718195651.7711-5-prabhakar.mahadev-lad.rj@bp.renesas.com


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