arm64: dts: renesas: r9a09g057: Add DMAC nodes

Add nodes for the DMAC IPs found on the Renesas RZ/V2H(P) SoC.

Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20250423143422.3747702-7-fabrizio.castro.jz@renesas.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>