t0lte: Initial PhilZ Touch recovery work

Change-Id: Ieb107f5f68b1b104ccb6e0ba2cb2b66a55a447eb
t0lte: PhilZ Touch dual boot recovery

Change-Id: I5592333ff6453a228532967efaa7653b32630c08
t0lte: Use by-name symlink block device

Change-Id: I442fffc82730dde286b7cf9cf49fbcb2ad1ba00d