Fixed Linux 3.0.79 bug stucking, in some cases, at least 2 cpu cores on Max Freq

- Linux 3.0.79 update introduced a bug stucking, in some cases, at least
2 cpu cores on Max Freq !!! => Fixed
sprint: removed unused fstab + fixed compatibility

Change-Id: If9dd7d66ff8a5ba2563472f6584ea9b11b657813