Recovery: Initial support for built-in loki to recovery. Enable building
loki support with ENABLE_LOKI_RECOVERY

Change-Id: Icaf0134fdcf7cada0bb0cbb666a6ab836b3ffbba
Recovery: Update Loki for G2

Change-Id: I22dfc298b7db2a521d49e472a65b6b9cea2e53ea
Add check for if partition being lokied is blank

Change-Id: I1670cc0024d0cab22da97a35df8758584ccc2ea3