feature request: Add vdop GPS panel, show 2nd GPS data

[Jaaaky]

Hi,
Please add vdop too to the GPS panel
Also, show 2nd GPS panel if 2 GPS receivers are connected.

[rubenCodeforges]

@Jaaaky ill just wanted to thank you here for all the beautiful reports , will work on that , for next release or the release after as ive almost prepared the 30 version