sound: oxygen: do not try to restore nonexistent EEPROM

On cards where the EEPROM was deliberately omitted, we do not need to
try to restore the EEPROM's contents.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 file changed