ALSA: hda: cs35l41: Fix endian conversions

Found during static analysis, ensure variables are correct
types before endian conversion.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230606103436.455348-3-sbinding@opensource.cirrus.com


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