ASoC: sdw_utils: make RT712/RT721 CODEC_MIC be optional

Bard Liao <yung-chuan.liao@linux.intel.com> says:

The RT712 and RT721 codec mic are optional and are not used on some
products. Add a quirk to make it optional and skip the codec mic DAI
when it is not present in DisCo table.

Link: https://patch.msgid.link/20260508093224.1246282-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>