Modules: Opti9xx drivers

Fix compile errors without CONFIG_PNP.

This patch was already included in Linus' tree.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>