ASoC: amd: add missing MODULE_DESCRIPTION() macros

ASoC: amd: add missing MODULE_DESCRIPTION() macros

With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/renoir/snd-acp3x-rn.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/yc/snd-soc-acp6x-mach.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/acp/snd-acp-i2s.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/acp/snd-acp-pdm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/acp/snd-acp-legacy-common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/acp/snd-acp-pci.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/ps/snd-soc-ps-mach.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240612-md-sound-soc-amd-v1-1-ad1de0409c11@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>