rc: Set make view target to msf_decode
rc/msf_decode: Fix parity bit check
rc/msf_decode: Fix minute assignment
rc: Generate .ghw files, not .vcd
rc: Update gtkwave msf_decode_testbench view
rc: Run testbenches for 2 minutes
rc: Update gtkwave views
rc: Ignore .ghw files
rc: Ignore util.s
rc: Update msf gtkwave view
rc/msf_decode: Fix year error assignment
rc/msf_decode: Add breg '0' checks