hdl/*/wb_fmc516/*: simpler valid data generation

Also, only generic fifos from general-cores are used.
No more coregen stuff here
emb-sw/*: update fmc516 register definition
hdl/ip_cores/dsp-cores/: update submodule reference
hdl/*/wb_fmc516/*: (1/4) clearer register names and sanitization
hdl/*/wb_fmc516/*: (2/4) clearer register names and sanitization
hdl/*/wb_fmc516/*: (3/4) clearer register names and sanitization
hdl/*/wb_fmc516/*: (4/4) clearer register names and sanitization
emb-sw/*: update fmc516 register fields
Merge branch 'emb-sw-devel' into wb-fmc516-devel
Merge branch 'wb-fmc516-devel' into dsp-devel

Conflicts:
	embedded-sw/dbe.vhd