Sleep after NAP version error to allow bootloader script to reset.
Fix bug with new tracking channels.

Now that corr_sample_count is a u32 the integer promotion rules make the whole result unsigned causing carrier phase mayhem.
SIMULATOR: Use MAX_CHANNELS instead of NAP_MAX_N_TRACK_CHANNELS.
SOLUTION: Reduce solution thread stack size to free up some space.
TRACKING: Turn off FLL aiding after locking to reduce carrier noise.