Build issue fix with ubifs

Recent change for updateable association causes
build failure when ubifs is enabled. Made newly
added api createUpdateableAssociation public.

Tested:
Enabled ubifs and build is successful.

Change-Id: I2ba90e876ce8a1f95d7cd3b2839b543f27f1b15d
Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com>
1 file changed