ALSA: lx6464es - add support for LX6464ESe pci express variant

The pci express variant of the digigram lx6464es card has a different
device ID, but works without changes to the driver.
Thanks to Nikolas Slottke for reporting and testing.

Signed-off-by: Tim Blechmann <tim@klingt.org>
Link: https://lore.kernel.org/r/20190906082119.40971-1-tim@klingt.org


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