Microphone input can be single ended or differential, although
known SoCs with that codec expose MIC1P only.

Also there is 20dB mic boost in the Mic1 path.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Link: https://lore.kernel.org/r/20221016132648.3011729-8-lis8215@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>