f2fs: clean checkpatch warnings

Fixed a variety of trivial checkpatch warnings.  The only delta should
be some minor formatting on log strings that were split / too long.

Signed-off-by: Chris Fries <cfries@motorola.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

Conflicts:
	fs/f2fs/recovery.c

Change-Id: I61c00e1b335581db35d166fb60c93bacaaff4eb4
11 files changed