uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

.github/workflows/editorconfig.yml

@@ -0,0 +1,43 @@
+name: "Checking EditorConfig"
+
+permissions: read-all
+
+on:
+  # avoids approving first time contributors
+  pull_request_target:
+    branches-ignore:
+      - 'release-**'
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    if: "github.repository_owner == 'NixOS' && !contains(github.event.pull_request.title, '[skip editorconfig]')"
+    steps:
+    - name: Get list of changed files from PR
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        gh api \
+          repos/NixOS/nixpkgs/pulls/${{github.event.number}}/files --paginate \
+          | jq '.[] | select(.status != "removed") | .filename' \
+          > "$HOME/changed_files"
+    - name: print list of changed files
+      run: |
+        cat "$HOME/changed_files"
+    - uses: actions/checkout@v3
+      with:
+        # pull_request_target checks out the base branch by default
+        ref: refs/pull/${{ github.event.pull_request.number }}/merge
+    - uses: cachix/install-nix-action@v17
+      with:
+        # nixpkgs commit is pinned so that it doesn't break
+        # editorconfig-checker 2.4.0
+        nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/c473cc8714710179df205b153f4e9fa007107ff9.tar.gz
+    - name: install editorconfig-checker
+      run: nix-env -iA editorconfig-checker -f '<nixpkgs>'
+    - name: Checking EditorConfig
+      run: |
+        cat "$HOME/changed_files" | xargs -r editorconfig-checker -disable-indent-size
+    - if: ${{ failure() }}
+      run: |
+        echo "::error :: Hey! It looks like your changes don't follow our editorconfig settings. Read https://editorconfig.org/#download to configure your editor so you never see this error again."