DigiPi 2.2-Beta5

Add real HDMI display support, full resolution, defaults to 720p, accelerated
Add DSI display support, 800x480, accelerated, IPS screens, bright! color!
   DSI display tested: https://www.amazon.com/dp/B0F1D5LNPD  5", 7"
   DSI adapter not available on Zero2W
Upshift callsign when Initializing
Add support for new rigs, ic7300mkII, FTX-1, Hamlib 4.7.1
Recompile direwolf 1.8 with Pi fixes against new hamlib
Fix MHS35 screen serial protocol 0b00 for newer screens
fldigi updated 
Linux system upgrade, latest kernel and user-space