Update config for elves_12_2025

Update config for elves_12_2025 release

Signed-off-by: Srikanth Aithal <srikanth.aithal@amd.com>

Update create guest image script

To avoid problems with non-persistent files, uninstall initramfs-copymods.
Also, purge any leftover configuration files of cloud-init and kdump-tools
that would cause issues in test runs.

Signed-off-by: Srikanth Aithal <srikanth.aithal@amd.com>

Update Supported Hardware section

Update Supported Hardware section.

Signed-off-by: Srikanth Aithal <srikanth.aithal@amd.com>

Fix the git repository url

Fix the git repository url

Signed-off-by: Srikanth Aithal <srikanth.aithal@amd.com>