kernel: use msm8960 repo instead

Change-Id: I09ac3599b2cc8f35ea8d7d9b46ef9d68888c34fb
fstab: support ext4 and f2fs data and cache

Change-Id: Ibba49f874a7c7eaf0742f98cfea8547da4661cc3
BoardConfig: use linaro-4-9_a15 for kernel

Change-Id: I9344c6c9a2527f66bc7cb10c2801d8b2fc88c68d