doautofocus requierement change

[spicspike]

I have notice that RESTapi doAutoFocus give an error 405.
Code need this change as parameter is now required.

BMDevice.js
doAutoFocus() {
this.PUTdata("/lens/focus/doAutoFocus",{x: 0.5,y: 0.5});
}

BM RESTapi doc is currently not aligned with this.