Fixed issue with automatic config variant selection, where we were not properly handling XMEGA targets with the JTAG physical interface.

Also introduced new AVR8 families, for D series targets.
Also moved AVR family param outside of TargetParameters struct

src/Targets/Microchip/AVR/AVR8/Family.hpp

@@ -7,5 +7,8 @@ namespace Bloom::Targets::Microchip::Avr::Avr8Bit
         MEGA,
         XMEGA,
         TINY,
+        DB,
+        DA,
+        DD,
     };
 }