ASoC and HDA will do the same cs35l41_otp_unpack, so move it
to shared code
Signed-off-by: NLucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211217115708.882525-3-tanureal@opensource.cirrus.comSigned-off-by: NMark Brown <broonie@kernel.org>