Add ADC driver and mode v or V for hydrabus to measure voltage
Add fault_handler exceptions management with detailed info and stack dump over semihosting print
Delete cexcept.h I do not like fake exception in C
Add openocd config file for hydrabus
Initial tokenline integration.

This implements only the show command.
Add sd mount/umount/ls commands.
Add sd cd command.
Use sd cd command.
Clean up cmd_sd_cd.
Add "sd cat" and "sd hd" commands.
Remove microrl (except for hydranfc build).
Add "sd erase" command.
Add "sd test-perf" command.
Update tokenline from remote repository.
Adjust to tokenline API update.
Add "sd pwd" command.
Update tokenline from remote repository.
Adjust to tokenline TARG/T_ARG change.
Add copyright messages.
Update tokenline from remote repository.
Convert mode framework to tokenline, and convert SPI mode.
Drop unneeded console feature.