[chirp_users] Support for JT6188, QYT KT8900, Luiton LT8900, Moonraker MT-270, Zastone MP-300

If you have one of the mentioned radios please see this:

http://chirp.danplanet.com/issues/2673#note-15

We have added support for the QYT KT-UV980 already with help of the users (a patch is submitted and waiting for approval).

If you have one of this radios read the request on the link and help us to get support for your model.

73 from CO7WT one of the BTECH driver developers.