Merge changes Ia61aab73,Ic5c00211 am: 307dc6063d am: fc3f4ed455
am: 36168bac6b

* commit '36168bac6b761b30dd0d47606d667c47d0005a13':
  hikey: Fix README about kernel version
  hikey: Use Image-dtb-4.1 for kernel 4.1

Change-Id: Id5a22ac0cbdaf546476b5d1eb3e12924d7af0bfb