Strange circular Dependency

- The mbed-hal-nrf51822-mcu package has a dependency targeting the mbed-hal module in a Version between (1.0.0 and 2.0.0)
- The mbed-hal module has target dependencies that go the latter backwards and require mbed-hal-nordic in Version between 2.0.0 and 3.0.0
- The mbed-hal-nordic package in Version 2.0.0 or higher needs the mbed-hal-nrf51822-mcu in Version 2.0.0 or higher. And so there is a circular dependency problem.

Therefore it's never possible to get a module working if it's dependencies include this modules. I think posting the issue here is correct, as it's a problem with the requirements by mbed-hal.

Start by inspecting the dependency declarations for mbed-hal-nrf51822-mcu, mbed-hal, and mbed-hal-nordic, focusing on the stated version ranges. Reproduce dependency resolution with these packages; done means the requirements no longer form a circular dependency and a module including them can resolve successfully.

Written by the indexing model from the issue text.