ALSA: hda/realtek - Add auto-mute quirk for HP Spectre x360 laptop

This device makes a loud buzzing sound when a headphone is inserted while
playing audio at full volume through the speaker.

Fixes: bbf8ff6b ("ALSA: hda/realtek - Fixup for HP x360 laptops with B&O speakers")
Signed-off-by: Girija Kumar Kasinadhuni <gkumar@neverware.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>