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: NKai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org> # v4.12+
Signed-off-by: NTakashi Iwai <tiwai@suse.de>