Add: zeDeviceCanAccessPeer additional tests and missing maxClockRate

[Mihaau]

In GivenValidDeviceWhenRetrievingMemoryPropertiesThenValidPropertiesAreReturned: maxClockRate

In zeDeviceCanAccessPeer: If both device and peer device are the same then return true. If both sub-device and peer sub-device are the same then return true. If both are sub-devices and share the same parent device then return true.