ASoC: amd: acp: Add ACP init()/deinit() callback for Renoir.

ACP hardware has PGFSM control registers that can be configured to
power On/Off the ACP IP block. Add acp init()/de_init() callbacks
in renoir platform driver probe()/remove() respectively to power
on and off ACP IP block on ACP3X device.

Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Link: https://lore.kernel.org/r/20220117115854.455995-5-AjitKumar.Pandey@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>