Staging: winbond: reg.c Coding style fixes

I fixed all problems reported by checkpatch.pl except some
(a lot of) long lines and some printk:s.
I removed "commented away" code and version comments.
Signed-off-by: NLars Lindley <lindley@coyote.org>
Acked-by: NPekka Enberg <penberg@cs.helsinki.fi>
Acked-by: NPavel Machek <pavel@ucw.cz>
Acked-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>