This change assigns the necessary service role to the Neutron user,
allowing live-migration in OpenStack. The operation
was blocked due to a policy restriction in Neutron.
Closes-Bug: https://bugs.launchpad.net/starlingx/+bug/2101182
Test Plan:
- PASS: Run build-pkgs -c -p openstack-helm,stx-openstack-helm-fluxcd
- PASS: Build stx-openstack tarball.
- PASS: Verify neutron user role: admin,service
- PASS: Apply stx-openstack tarball.
- PASS: Create a VM.
- PASS: Do a live-migration.
Change-Id: I5937aa54e7682db76335f6e788823bc37bfd7a85
Signed-off-by: vrochalo <vinicius.rochalobo@windriver.com>