trace_decoder: Include the raw data in the output.
tracer: Hide lots of uninteresting registers and slow down the timer.

Might reenable some of these later.
tracer: Implement the "wait" instruction.
tracer: Implement more (partially unknown) 32-bit instructions.
vcdb/bsc2.yaml: Add the I2C registers (used for HDMI DDC).
tracer: Remove some dead code.