ASoC: amd: acp: add platform and flag data to acp data structure

add name of the platform and flag data in private data structure.
name of the platform will be used to differentiate platforms where as
flag will be used to know what kind of endpoint configuration is selected
where its legacy(I2S + PDM) or only ACP PDM.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Link: https://lore.kernel.org/r/20231021145110.478744-7-Syed.SabaKareem@amd.com


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