sound: virtuoso: enable UART on Xonar HDAV1.3

This hardware has a better chance of working correctly if we don't
forget to enable it.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 file changed