Update data/mbim-service-ms-basic-connect-extensions.json,
       src/mbimcli/mbimcli-ms-basic-connect-extensions.c

We query the system capalibities and we can see
the following information.

mbimcli -d /dev/cdc-wdm0 -p --ms-query-sys-caps
[/dev/cdc-wdm0] System capabilities retrieved:
      Number of executors: 'x'
          Number of slots: 'x'
              Concurrency: 'x'
                 Modem ID: 'xxx'