sched-dl: compatibility fixes

- Since the -deadline sched implemented here is basically a backport of MOST
of the commits applied to the 3.8 kernel, there are some slight differences
in where things are handled, etc. This addresses those differences.
Signed-off-by: Luis Cruz <ljc2491@gmail.com>
Merge branch 'sched-dl-V7r-3.4' into jb-mr1
Merge branch 'jlelli/pi-cv' into jb-mr1