ALSA: ad1889: remove __dev* attributes

CONFIG_HOTPLUG is going away as an option.  As result the __dev*
markings will be going away.

Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Thibaut Varene <T-Bone@parisc-linux.org>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>