sendcontrol: wait for prompt to return before continuing

Change-Id: I467cc4037296ed9042d8967b96d1ba10699d5d55
qemu-aarch64: remove mac address

Change-Id: Iae4adc81cb84d12a9af84f6be4ee5ce269ad6931
role: add role parameter to all remaining JSON schema

Change-Id: I34afe4d49e16c5498ab5b423a42df4bd5bbede82