Revert "vfp: change to hard float"

There is a non-boot issue since the latest kernel changes which are solved by flashing an older kernel. Reverting all the kernel updates to be able to investigate in more detail

This reverts commit 93d5a380b6b4b559fcc39ba2c7cff7ee05f684b1.

Change-Id: I818ab95d60356c60ea739d5bb340d0a2cdd3ac18
Merge "Revert "vfp: change to hard float"" into android-4.4