Add clock tracefiles
rc/dcf.txt: Add ms unit to timestamps
rc/msf.txt: Add ms unit to timestamps
rc/dcf_bits_testbench.vhd: Add comments for processes
rc/dcf_bits_testbench.vhd: Read di from file
rc: Minor style fixes
rc/msf_bits_testbench: Remove dcf_sync component
rc/msf_bits_testbench: Read di from file
rc: Bump testbench frequency to 1 kHz