overlay: remove OBMC_PHOSPHOR_IMAGE_OVERLAY

Solve the problem resulting in the addition of this variable
differently, such that it can be removed and image type
selection can be selected in the standard way using IMAGE_FSTYPES.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: Ice94e8f278f00b8b4d344244bfb87dddeb173a23
5 files changed
tree: 6db59c302500c653711fbb9edbb1892f53ba1702
  1. classes/
  2. common/
  3. conf/
  4. COPYING.apache-2.0
  5. COPYING.MIT
  6. LICENSE