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

A similar issue that was reported on Rembrandt based laptops with
low DMIC volume is also being reported for Barcelo based laptops
that use renoir acp3x.

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/20230131184653.10216-4-mario.limonciello@amd.com


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