aries: fix error during init recovery

fix:
    E: Can not create '/external_sd' folder

Change-Id: Idd31f276a6f32eebbb2ba49cec1d808bbd4996f6
Signed-off-by: Humberto Borba <humberos@gmail.com>
aries: using busybox from sbin (twrp built)

Fix OMNI-501

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: If398d6f61f7ccfee625327bbacc53b425a090b51

Conflicts:

	updater.sh