cm: Set permissions on notify_on_migrate node

 * Used by PowerHAL

Change-Id: Ifbf58c145522d82d220fbae39a6b7319971ecbb5
Pre Code Freeze 5.0

Change-Id: I5016e188830dec830784528d2e25f101d5de4fc3
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Freeze for stable 5

Change-Id: Ia7a3dde6dd836c0b64d2b6e362d9bdbcc6643c7f
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>