usblgoff: Add tool for disabling USB legacy emulation

.github/workflows/build.yml

@@ -42,6 +42,10 @@ jobs:
           wmake
           make -f Makefile.uefi ARCH=x86_64
           python3 pciids.py
+      - name: Build `usblgoff`
+        run: |
+          cd ${{ github.workspace }}/usblgoff
+          wmake
       - uses: actions/upload-artifact@v2
         with:
           name: probing-tools-${{ github.sha }}
@@ -52,6 +56,7 @@ jobs:
             ac97/*.md
             acpi/*.md
             pcireg/*.md
+            usblgoff/*.md
 
   newbasic:
     name: NewBasic