defconfigs: Disable NTFS and build exFAT as built-in

 * CM uses ntfs-3g fuse for NTFS.

Change-Id: I0ebb48fd5eef60855a73526d39ca69cb14493e82
Merge pull request #18 from LegacyXperia/cm-11.0

defconfigs: Disable NTFS and build exFAT as built-in