jf: disable input filtering

Change-Id: I5378c52bc4ea3f6d9683183070ae41f48615442a
fstab: support ext4 and f2fs data and cache

Change-Id: I4b6c1cbd35c7e368573b36c1d93af4cc5e93d113
BoardConfig: use linaro-4.9_a15 for kernel

Change-Id: I4c00817fdf13c73dcde020bc9924526df0dd0de2