Allow to override bridge mappings based on roles

Currently it was not possible to override this without
full nodeset CR override, added neworker/compute specific
vars to override based on roles.

Related-Issue: #OSPCIX-1271
Signed-off-by: Yatin Karel <ykarel@redhat.com>

Author: karelyatin

tests/roles/dataplane_adoption/defaults/main.yaml

@@ -396,7 +396,7 @@ dataplane_cr: |
 
           # ovn-controller settings
           edpm_ovn_bridge_mappings: {{
-            edpm_ovn_bridge_mappings_nodeset|default(edpm_ovn_bridge_mappings)|default(
+            edpm_ovn_bridge_mappings_computes|default(edpm_ovn_bridge_mappings_nodeset)|default(edpm_ovn_bridge_mappings)|default(
                 ["datacentre:" + neutron_physical_bridge_name]
             )
             + (["provider2:br-vlan"] if bgp|bool else [])
@@ -535,7 +535,7 @@ networker_cr: |
           - openvswitch3.3
           # ovn-controller settings
           edpm_ovn_bridge_mappings: {{
-            edpm_ovn_bridge_mappings_nodeset|default(edpm_ovn_bridge_mappings)|default(
+            edpm_ovn_bridge_mappings_networker|default(edpm_ovn_bridge_mappings_nodeset)|default(edpm_ovn_bridge_mappings)|default(
                 ["datacentre:" + neutron_physical_bridge_name]
             )
             + (["provider2:br-vlan"] if bgp|bool else [])