disable f2fs for can't format sdcard to internal

Root cause:
Sdcard will be formated to f2fs by default, but there is some error
for this filesystem. It will fail by io error.

How to fix:
Disable the f2fs, and then it will use ext4 filesystem.

Issue:PRJ8901-70

RiskArea:
Filesystem

Change-Id: Ia6ff4450a55266777fa5b38f3b2bb732ebbec329