Macro device_owned

macro_rules! device_owned {
    ($type:ident<B $(, $arg:ident $(: $(?$sized:ident)? $($bound:path)?)?)*> @ $getter:expr) => { ... };
    ($type:ident<B $(, $arg:ident $(: $(?$sized:ident)? $($bound:path)?)?)*>) => { ... };
}

Implement ownership checking for value with device: DeviceId field.