ALSA: hda/realtek: Add quirk for HP EliteBook 840 G7 mute LED

The mute and micmute LEDs don't work on HP EliteBook 840 G7. The same
quirk for other HP laptops can let LEDs work, so apply it.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211110144033.118451-1-kai.heng.feng@canonical.com


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