Fix f2fs formatting on nandroid restore

Fix from
https://github.com/PhilZ-cwm6/philz_touch_cwm6/commit/0fccbc45f8142fa6070d4f40b0b84c6d17a00696

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Fix Clockworkmod typo

It's "ClockworkMod", not "Clockworkmod"

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>