Release 1.8.x CAN sources, split FFB mainclasses

[Ultrawipf]

Changes:

• FFBWheel and FFBJoystick classes split for 1 and 2 axis FFB (Allows to use different HID descriptors)
• Added a single axis HID descriptor (currently not used for compatibility reasons. enable by defining FFBWHEEL_USE_1AXIS_DESC)
• Default SPI button speed increased to 1.3MHz
• Added CAN button source
• Added CAN analog source
• Moved CAN and i2c speed settings to port class
• Fixed CAN bridge RTR frames
• HID interface sends ACKs
• Improved help command formatting and added flags
• Added I2C fast mode 400kHz
• Added BISS-C encoder
• Fixed MT Encoder
• Reworked TMC external encoder system