This program does nothing more than this:

dd if=eeprom of=calibration_data ibs=1 skip=256 count=108 obs=108

But it takes the shape of a C program so that we can validate input
and we can play with the offset (skip) based on our needs. And we can
print them in a more readable format
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>