ALSA: hda: cs35l41: Add calls to newly added test key function

ALSA: hda: cs35l41: Add calls to newly added test key function

The test key now needs to be manually held when calling
cs35l41_register_errata_patch, after patch:

Add the missing function calls to this driver.

Fixes: 47e5b0f47eb0 ("ASoC: cs35l41: Add support for hibernate memory retention mode")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220117160830.709403-2-tanureal@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>