tms320: avoid some decimal consts to be signed for c55x_plus
add io->autofd
Enable io->autofd by default and set if no curfd is set
fix #977
Add 'core', 'maxproc', 'maxfd', 'maxstack' options for rarun2
Fix r_file_slurp() for /proc files
Implement RDebugInfo (only for linux atm)
Refactorize and cleanup the RDebug register profiles
Add 'creg' color palete to colorize changed registers in 'drd'