Replace use of wildcard with list of source files to include. The `-y`
suffix is added, but has no significance since conditional compilation
has not been added yet.
Signed-off-by: Tim Crawford <tcrawford@system76.com>
In proprietary firmware and QMK, the Break key by itself is always just
Pause. They produce the same scan code, but Ctrl must be held for the OS
to recognize it as Break.
Behavior tested with xev.
Signed-off-by: Tim Crawford <tcrawford@system76.com>