Commits
Merge tag 'efi-2019-07-rc2-2' of git://git.denx.de/u-boot-efi Pull request for UEFI sub-system for v2019.07-rc2 (2) Fix a bunch of errors in the UEFI sub-system: * implement missing UnloadImage(), * implement missing RegisterProtocolNotify(), * unload images in Exit(), * parameter checks. Provide a unit test for UnloadImage(). Remove a redundant function for unit tests. Clean up the UEFI sub-system initialization