ASoC: amd: yc: Adjust the gain for PDM DMIC

A number of users for Lenovo Rembrandt based laptops are
reporting that the microphone is too quiet relative to
Windows with a dual boot.

Increase the PDM gain to overcome this problem.

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230131184653.10216-2-mario.limonciello@amd.com


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