arm, arm64: Enable kernel config options required for EAS

arm and arm64:

  Add    Cgroups support
  Add    Energy Model
  Add    CpuFreq governors and make schedutil default

for arm:

  Add    Cpuset support
  Add    Scheduler autogroups
  Add    DIE sched domain level

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>