ASoC: amd: acp: store platform device reference created in pci probe call

Store the platform device reference created in pci driver,
it will be used in restoring the interrupts during system level resume.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Link: https://lore.kernel.org/r/20230626135515.1252063-5-Syed.SabaKareem@amd.com


Signed-off-by: Mark Brown <broonie@kernel.org>