This patch sync sparc driver with x86 isa cs4231 driver patches.
It fixes wrong waiting for the auto calibration bit and makes
further waiting use much finer granularity.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>