AVR32 is gone. Now it's time to clean up the driver by removing
leftovers that was used by AVR32 related code.
Acked-by: NNicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>