FS: import F2FS

Change-Id: I1a551dc105aacd9d025f153df1aafc69de338419
Signed-off-by: flar2 <asegaert@gmail.com>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Signed-off-by: engstk <eng.stk@sapo.pt>
Update F2FS

* This is currently not working so let's see if upstreaming will fix it.

Change-Id: I6235f21ce053fe81382895ef5f1eb1a19eb81a26
Signed-off-by: Chester Kener <Cl3Kener@gmail.com>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Signed-off-by: engstk <eng.stk@sapo.pt>
defconfig: enable F2FS and a few other FS(that may or may not work anyways)

Change-Id: I073be65e952ffdb001779b1b8a1a35d76a4c07ff