The bytcr_rt5640.c file already supports the HP Stream 7.

The HP Stream 8 is almost identical in terms of the hardware
with the exception of it having stereo speakers, a SIM
card slot and the obvious size difference.
Signed-off-by: Moises Cardona <moisesmcardona@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20221214120830.1572474-1-moisesmcardona@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>