Update gFEX FPGA-C map
With this MR the FPGA-C map table is updated for gFEX, according to a recent change in the firmware (https://gitlab.cern.ch/atlas-l1calo/gfex/firmware/-/commit/77cb82bfa8fac267a9cbf67c6731e73282acdd21).
Edited by Cecilia Tosciri