ASoC: rsnd: Add audmapp clock and reset support for RZ/G3E

ASoC: rsnd: Add audmapp clock and reset support for RZ/G3E

RZ/G3E requires additional audmapp clock and reset lines for
Audio DMA-PP operation.

Add global audmapp clock/reset management in rsnd_dma_probe()
using optional APIs to remain transparent to other platforms.

Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/20260525110230.4014435-7-john.madieu.xa@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>