clk: renesas: r9a08g045: Add IA55 pclk and its reset

An IA55 interrupt controller is available on the RZ/G3S SoC.  Add the
IA55 pclk and its reset.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231120111820.87398-2-claudiu.beznea.uj@bp.renesas.com


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