ansible: few nits

Author: csegarragonz

ansible/ansible.cfg

@@ -0,0 +1,2 @@
+[defaults]
+host_key_checking = False

ansible/vm.yaml

@@ -8,6 +8,7 @@
     # latter also means we can use docker without sudo (which also requires a
     # reboot)
     - include_tasks: tasks/docker.yaml
+    # TODO: manually cherry-pick patches on top of svsm/linux
     - include_tasks: tasks/update_host_kernel.yaml
     - include_tasks: tasks/qemu.yaml
     - include_tasks: tasks/rust.yaml