mpdecision: increase idle_freq

Change-Id: I544665643565caad58fa076bf5e7733053e1a290
update defconfigs

Change-Id: Ibc1a857add15417b146f36920e2f90821400bdd5
Add Hyper Gov to t769 and exhilarate

Change-Id: I1e9f87344a9908936696575d8e135322bf127df2