The FSRU (aka EISCAT) was never supported in UHD 4.0. The FPGA
repository never had the relevant files, and the block controller also
never existed. This removes all the corresponding files from MPM, as
well as some references from makefiles.
Original-commit: ba00ff0cf5c0ced093e0be12b3006fe2f657a58a
Martin Braun
c38c6f1b3a