CFG: Implemented the GetConfigInfoBlk2 function.

Added a "config" file to the CFG process service (CFG:U), and added a few default blocks to it.

Implemented GetSystemModel and GetModelNintendo2DS
Can we make this an array of floats instead?
```
62.0, 289.0, 76.80000305175781, 46.08000183105469,
10.0,   5.0, 55.58000183105469, 21.56999969482422
```