ALSA: hda/realtek: Add a quirk for HP OMEN 15 (8786) mute LED

Board ID 8786 seems to be another variant of the Omen 15 that needs
ALC285_FIXUP_HP_MUTE_LED for working mute LED.

Signed-off-by: Bedant Patnaik <bedant.patnaik@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220809142455.6473-1-bedant.patnaik@gmail.com


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