Use the new symbol to refer to any 'SPL' build, including TPL and VPL Signed-off-by: Simon Glass <sjg@chromium.org>
Add some unit tests to check that we can write a UPL handoff and read it back. Signed-off-by: Simon Glass <sjg@chromium.org>
Universal Payload provides a standard way of handing off control between two firmware phases. Add support for reading the handoff information into a structure. Signed-off-by: Simon Glass <sjg@chromium.org>
