ALSA: hda - Add mute led support for HP ProBook 645 G4

commit e190de6941db14813032af87873f5550ad5764fe upstream.

Mic mute led does not work on HP ProBook 645 G4.
We can use CXT_FIXUP_MUTE_LED_GPIO fixup to support it.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191120082035.18937-1-kai.heng.feng@canonical.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>