[ALSA] cmipci: show more registers in proc file

Show a dump of all registers in the 0x00-0x27 and 0x90-0x93 ranges in
the 'cmipci' proc file.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>