(havana)Increase in the full path to mkfs.xfs(/sbin/mkfs.xfs).

Xfsprogs package has been installed. This is the cause of the error
stack does not have
permission to perform mkfs.xfs command rather mkfs.xfs command in /sbin/
path, stack in order to perform mkfs.xfs must add the full path or use
the sudo command mode.

Fixed bug #1298851

Change-Id: I73793407654d4c24f125c7ba6c3555332eb89b60
Merge "(havana)Increase in the full path to mkfs.xfs(/sbin/mkfs.xfs)." into stable/havana