Copied elecraft files for fresh start on flex 6xxx series

Signed-off-by: Steve Conklin <sconklin@canonical.com>
Add new flex files to Makefile

Signed-off-by: Steve Conklin <sconklin@canonical.com>
Add rig number for Flex 6K

Signed-off-by: Steve Conklin <sconklin@canonical.com>
fairly major progress

Signed-off-by: Steve Conklin <sconklin@canonical.com>