build-artik: allow ssh access for other users
build-artik: allow ssh access for other users

The pixeom file system prevents ssh connection except their own user.
This patch removes the restriction to connect ssh for other users.

Change-Id: I2c9469876381f103b9b07855470b7a457433b8e0
Signed-off-by: Chanho Park <21067cf409d9aa8479a6b399b381f2cd1a6a7866@gmail.com>

SamsungARTIK/build-artik