ALSA: hda/cs8409: Use general cs42l42 include in cs8409 hda driver

This is to improve maintainability of the driver.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220504161236.2490532-3-sbinding@opensource.cirrus.com


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