ALSA: hda/realtek - Enable the headset of Acer N50-600 with ALC662

A headset on the desktop like Acer N50-600 does not work, until quirk
ALC662_FIXUP_ACER_NITRO_HEADSET_MODE is applied.

Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200317082806.73194-3-jian-hong@endlessm.com


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