pool: update the failure domain of pool-ec file to host
pool: update the failure domain of pool-ec file to host

Updating the failure domain of pool-ec file from
osd to host.

Signed-off-by: subhamkrai <bb6131f7fb4bb2a9ce18c6dfefd4c517b6b3ce6a@redhat.com>

rook/rook,rook/rook,rook/rook,rook/rook,rook/rook