Bundle qboot (used as FW by libkrun-SEV) and initrd into the
library. To simplify the build process, we import then as binary blobs
into the project. Their source code can be found at the following
repositories:
- https://github.com/slp/qboot-krunfw
- https://github.com/slp/initrd-krunfw
Signed-off-by: Sergio Lopez <slp@redhat.com>