[Buildout partially WORKS] installation/metadata-collect-agent/Makefile: Reorganize the Makefile to make it work with more standard parameters.

TEST: installation/metadata-collect-agent/Makefile: Test some solutions to a link-time bug in the buildout compilation.

TEST: installation/metadata-collect-agent/Makefile: Test some solutions to a link-time bug in the buildout compilation.

WIP: installation/metadata-collect-agent/Makefile: Add generic management for fmtlib and openssl includes paths, in order to support buildouts.

installation/metadata-collect-agent/Makefile: Pass the python includes path to the Makefile in a more generic way in buildouts.

WIP: Create an unsigned UEFI image. (The configuration file for signed image creation is kept for now as dracut.module/old.dracut.conf.

Makefile: Add generic paths to the install commands, so that tools to build (mostly Debian) package work.