ALSA: isa: fix spelling mistakes in the comments

Fix spelling mistakes in the comments:
	initailise ==> initialise
	tranfer ==> transfer
	Initialse ==> Initialise

Signed-off-by: Liang Wang <wangliang101@huawei.com>
Link: https://lore.kernel.org/r/20200816071309.121461-1-wangliang101@huawei.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>