GPS Interface

[misprit7]

Implement firmware for interfacing with GPS. The GPS is the OEM719A-DSN-LNN-TMN and can be seen here. This will probably require implementing a third party library to parse the GPS's output and give us location/velocity data.

[Amarantheum]

There is an issue where the baudrate that we input into the UART config gets halfed when the flight controller actually sends signals. For example, to get the flight controller to communicate with the GPS, we have to set the baudrate in the software to double the expected value for it to send it at the expected value.

[Amarantheum]

Got GPS working in the sense that we can continuously pull data without the software locking or crashing.