From now on, gateware binaries must be taken from the files section
of the fmc-adc project.

This reverts commit a325b932dd04df878a55418ae8fb30ce951da81f.

vendor = 0xCE42 = CERN
device = echo "fmc-adc-100m14b4cha" | md5sum | cut -c1-8

Calibration data are now stored in a sdbfs file, not anymore in the
ipmi internal use area.
Using sdb-read to get the calibration data file.

Erase eeprom before reading content from binary file.

Aquired data seems wrong (bug in data path?).
Computer hangs after a few acquisitions.

Can't find out what was the changes...