Improve logging options and stability

Firmware:

• Increase SPP buffer to prevent dropped bytes over Bluetooth from NTRIP Client (SW Maps, Lefebure, etc)
• Add support for 60+ additional messages for broadcast and logging
• Fix bug when loading firmware from SD
• Fix bug in fixed base start
• Fix bug in fixed ECEF coordinate entry
• Add semaphore to all file system access
• Add additional debugging options
• Increase OLED performance

Hardware:

• Replace EOL RGB LED with new variant
• Add ESD diode to RF path