Moved hdllib.cfg for remu from UniBoard to RadioHDL.

libraries/io/remu/hdllib.cfg

+hdl_lib_name = remu
+hdl_library_clause_name = remu_lib
+hdl_lib_uses = common
+
+build_sim_dir = $HDL_BUILD_DIR
+build_synth_dir = 
+
+synth_files =
+    src/ip/megawizard/remote_update/remote_update.vhd
+    src/vhdl/remu_reg.vhd
+    src/vhdl/mms_remu.vhd
+
+test_bench_files =