Update helm repo for Magma

magma/build_infra.sh

-
 # Add Helm repo for Magma Orc8r
-osm repo-add --type helm-chart --description "Repository for Facebook Magma helm Chart" magma https://felipevicens.github.io/fb-magma-helm-chart/
+osm repo-add --type helm-chart --description "Repository for Facebook Magma helm Chart" magma http://osm-download.etsi.org/ftp/helm/magma/
 
 # Add first VIM
 osm vim-create --name etsi-openstack --user hackfest --password hackfest20$ --auth_url http://172.21.247.1:5000/v3 --tenant hackfest --account_type openstack --config='{management_network_name: osm-ext, dataplane_physical_net: physnet2, microversion: 2.32}'
@@ -23,4 +22,4 @@ osm k8scluster-add --creds ~/kube.yaml --version '1.15' --vim etsi-openstack --d
 
 # Add SDN Controller
 #osm sdnc-create --name onos01 --type onos_vpls --url http://172.21.248.19:8181 --user karaf --password karaf 
-#osm vim-update whitecloud_highcost_sriov --sdn_controller onos02 --sdn_port_mapping sdn_port_mapping.yaml
\ No newline at end of file
+#osm vim-update whitecloud_highcost_sriov --sdn_controller onos02 --sdn_port_mapping sdn_port_mapping.yaml