atomisp2: unify some ifdef cases caused by format changes

The two drivers were originally merged by tools, and the tools didn't always
spot white space only changes. Fix a few of them found by zero-day and clean
up some more by hand.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>