commit ba92b114 upstream.

Mic mute led does not work on HP ProBook 440 G4.
We can use CXT_FIXUP_MUTE_LED_GPIO fixup to support it.

BugLink: https://bugs.launchpad.net/bugs/1705586Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>