pinctrl: renesas: r8a779g0: Add missing IRQx_A/IRQx_B

This patch adds missing IRQx_A/IRQx_B, and tidies up existing IRQs.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87zghtsjb4.wl-kuninori.morimoto.gx@renesas.com


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