ALSA: hda/cirrus: Set Initial DMIC volume for Bullseye to -26 dB

After booting for first time on Bullseye, the DMIC is currently muted.
Instead, the DMIC volume should be set to a valid initial value.

Tested on DELL Inspiron-3505, DELL Inspiron-3501, DELL Inspiron-3500

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1923557


Reported-and-tested-by: You-Sheng Yang <vicamo.yang@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210426163749.196153-2-vitalyr@opensource.cirrus.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>