fstab: fix data encryption

In /dev/block/platform/msm_sdcc.1/by-name/, there is no metadata partition,
but there is an encrypt partition which is not used otherwise. Use the latter
in fstab.geehrc to store the encryption footer.
fstab: fix data encryption

In /dev/block/platform/msm_sdcc.1/by-name/, there is no metadata
partition, but there is an encrypt partition which is not used
otherwise. Use the latter# Please enter the commit message for your
changes. Lines starting
in fstab.geehrc to store the encryption footer.