lmk: Update kill processes function

Avoid scheduling while atomic, which was causing a bug when a process was killed
ux500: Fix bug #983496 of snowball kernel

The Snowball kernel fails to build with gcc 4.7 because trying to force code inlining where the function body isn't available for inlining is considered a fatal error these days

https://bugs.launchpad.net/linaro-android/+bug/983496
ux500: pm: Disable usecase governor

It messes up the frequencies