Renaming AVR8 dir/namespace in TDF validation scripts

build/scripts/Targets/TargetDescriptionFiles/Avr8/FuseBitsDescriptor.php

@@ -0,0 +1,12 @@
+<?php
+namespace Targets\TargetDescriptionFiles\Avr8;
+
+class FuseBitsDescriptor
+{
+    public ?string $fuseType = null;
+
+    public function __construct(?string $fuseType)
+    {
+        $this->fuseType = strtolower($fuseType);
+    }
+}