FS: import F2FS

Signed-off-by: flar2 <asegaert@gmail.com>
Enable f2fs

Change-Id: I8df4ec8574a8b2bea09c1883b192510de6964984
Merge branch 'cm-11.0' of https://github.com/christer12/android_kernel_samsung_hlte into cm-11.0