ANDROID: f2fs: correct inconsistent cherry-pick

This patch corrects the below cherry-picked patch from mainline.

commit ca1d19b6
  ("FROMLIST: f2fs: sanity check checkpoint segno and blkoff")

Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Git-commit: 5f80a26b
Git-repo: https://android.googlesource.com/kernel/common.git


Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>