ALSA: hda/realtek: update ALC222 depop optimize

Add ALC222 its own depop functions for alc_init and alc_shutup.

[note: this fixes pop noise issues on the models with two headphone
 jacks -- tiwai ]

Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>