message: correct submodule URLs
diff: [submodule "src/assets/configs-aws"]
  path = src/assets/configs-aws
  - url = git@github.wdf.sap.corp:E-Mobility/ev-aws.git
  - branch = master
  + url = ../../E-Mobility/ev-aws.git
  + branch = master-qa
  [submodule "src/integration/pricing/convergent-charging"]
  path = src/integration/pricing/convergent-charging
  - url = git@github.wdf.sap.corp:E-Mobility/ev-sap-pricing-convergent-charging.git
  - branch = master
  + url = ../../E-Mobility/ev-sap-pricing-convergent-charging.git
  + branch = master-qa
  [submodule "src/integration/refund/concur"]
  path = src/integration/refund/concur
  - url = git@github.wdf.sap.corp:E-Mobility/ev-sap-refund-concur.git
  - branch = master
  + url = ../../E-Mobility/ev-sap-refund-concur.git
  + branch = master-qa
  [submodule "src/integration/smart-charging/sap-smart-charging"]
  path = src/integration/smart-charging/sap-smart-charging
  - url = git@github.wdf.sap.corp:E-Mobility/ev-sap-smart-charging.git
  - branch = master
  + url = ../../E-Mobility/ev-sap-smart-charging.git
  + branch = master-qa
  [submodule "src/assets/charging-station-templates"]
  path = src/assets/charging-station-templates
  - url = git@github.wdf.sap.corp:E-Mobility/ev-sap-charging-station-templates.git
  - branch = master
  + url = ../../E-Mobility/ev-sap-charging-station-templates.git
  + branch = master-qa
  [submodule "src/assets/configs-ci"]
  path = src/assets/configs-ci
  - url = git@github.wdf.sap.corp:E-Mobility/ev-ci.git
  - branch = master
  + url = ../../E-Mobility/ev-ci.git
  + branch = master-qa
  [submodule "src/assets/configs-scp"]
  path = src/assets/configs-scp
  - url = git@github.wdf.sap.corp:E-Mobility/ev-scp-config.git
  + url = ../../E-Mobility/ev-scp-config.git
  branch = master-qa
  