ALSA: asihpi - HPI version 4.08

HPI Version is used to check for firmware compatibility.
This version  will accept 4.08.xx released firmware,
and will also accept 4.09.xx beta firmware

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>