Merge cherrypicks of [3783687, 3783705, 3783726, 3783751, 3783752, 3783607, 3783727, 3784084] into oc-m4-release

Change-Id: I110b3f8bd768c30e0f80c7d99a19a26bed517141
tree: 77bc10a0a695b2788490c3b60ba242567e8733e4
  1. Image.fit
  2. Image.fit.kasan
  3. push-kernel.sh