Fix adds esxi_hostname as Ansible module argument for user
to define ESXi hostname to deploy VMware vSwitch.
Fixes: #24647
Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
So the module was now not doing anything except adding a nic to a
vswitch. This PR adds idempotency checks, and removal checks.
We should probably add modification chacks as well, but I don't know
what the limitations are for vcsim.
