This patchset adds efibootguard, swupdate to allow A/B updates in cip-core. The update mechanism is currently only implemented for x86_64.
Changes V2: - update efibootguard to v0.7 - add swdescription and kas option to build qemu-amd64 test image - swupdate set to upstream mirror and no longer use gitsm
Changes V3:
- change image type for ebg-swu to generate a swu image during build - remove qemu-swupdate as it is no longer needed - add swdescription file for updating without secureboot