Create "cloud-bootloader-tools" group for cloud server environment
This group contains the package set for the needed bootloader packages
across different architectures to simplify handling so that Cloud images
always have the needed bootloaders when building for a given architecture.
Reference: https://fedoraproject.org/wiki/Changes/FedoraCloudHybridBoot
Signed-off-by: Neal Gompa <ngompa13@gmail.com>