secboot-ioactive-20221109
[crypto] Add DER image format
[efi] Split device path functions out to efi_path.c
[elf] Reject ELFBoot images requiring virtual addressing
[image] Implicitly trust first embedded image
[image] Allow single-member archive images to be executed transparently
[crypto] Expose pem_asn1() for use with non-image data
[png] Fix potential integer overflow
[legal] Relicense files under GPL2_OR_LATER_OR_UBDL