ALSA: opti9xx: Fix section mismatch by PM support

In the previous commit, snd_opti9xx_configure() is called from the
resume handler but it's still marked as __devinit.  Fix it.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>