meta: Upload RPi400 kernel8.img as an artifact

.github/workflows/aarch64.yml

@@ -19,11 +19,17 @@ jobs:
         run: docker pull toaruos/build-tools:aarch64
       - name: Run Builder
         run: docker run -v ${GITHUB_WORKSPACE}:/root/misaka -w /root/misaka -e LANG=C.UTF-8 -t toaruos/build-tools:aarch64 util/build-in-docker-aarch64.sh
-      - name: Upload Branch Image
+      - name: Upload virt Artifacts
         uses: actions/upload-artifact@v2
         with:
-          name: build
+          name: aarch64-virt
           path: |
             misaka-kernel
             ramdisk.igz
             bootstub
+      - name: Upload rpi400 Artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: aarch64-rpi400
+          path: |
+            kernel8.img