STURM2 DC Power board major changes from REV A to REV B

- Changed 1.2 Volt regulator to AP1122EG-13
- Fixed power issue with SCROD J4 connector
- CAl+ and CAL- traces changed to differential pair for all DC board connectors
- Testpoints added for GND, 1.2V, 2.5V, 3.3V, 5V 
- New routing with less vias