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>

nixos/tests/musescore.nix

@@ -0,0 +1,86 @@
+import ./make-test-python.nix ({ pkgs, ...} :
+
+let
+  # Make sure we don't have to go through the startup tutorial
+  customMuseScoreConfig = pkgs.writeText "MuseScore3.ini" ''
+    [application]
+    startup\firstStart=false
+
+    [ui]
+    application\startup\showTours=false
+    application\startup\showStartCenter=false
+    '';
+in
+{
+  name = "musescore";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ turion ];
+  };
+
+  nodes.machine = { ... }:
+
+  {
+    imports = [
+      ./common/x11.nix
+    ];
+
+    services.xserver.enable = true;
+    environment.systemPackages = with pkgs; [
+      musescore
+      pdfgrep
+    ];
+  };
+
+  enableOCR = true;
+
+  testScript = { ... }: ''
+    start_all()
+    machine.wait_for_x()
+
+    # Inject custom settings
+    machine.succeed("mkdir -p /root/.config/MuseScore/")
+    machine.succeed(
+        "cp ${customMuseScoreConfig} /root/.config/MuseScore/MuseScore3.ini"
+    )
+
+    # Start MuseScore window
+    machine.execute("DISPLAY=:0.0 mscore >&2 &")
+
+    # Wait until MuseScore has launched
+    machine.wait_for_window("MuseScore")
+
+    # Wait until the window has completely initialised
+    machine.wait_for_text("MuseScore")
+
+    # Start entering notes
+    machine.send_key("n")
+    # Type the beginning of https://de.wikipedia.org/wiki/Alle_meine_Entchen
+    machine.send_chars("cdef6gg5aaaa7g")
+    # Make sure the VM catches up with all the keys
+    machine.sleep(1)
+
+    machine.screenshot("MuseScore0")
+
+    # Go to the export dialogue and create a PDF
+    machine.send_key("alt-f")
+    machine.sleep(1)
+    machine.send_key("e")
+
+    # Wait until the export dialogue appears.
+    machine.wait_for_window("Export")
+    machine.screenshot("MuseScore1")
+    machine.send_key("ret")
+    machine.sleep(1)
+    machine.send_key("ret")
+
+    machine.screenshot("MuseScore2")
+
+    # Wait until PDF is exported
+    machine.wait_for_file("/root/Documents/MuseScore3/Scores/Untitled.pdf")
+
+    # Check that it contains the title of the score
+    machine.succeed("pdfgrep Title /root/Documents/MuseScore3/Scores/Untitled.pdf")
+
+    machine.screenshot("MuseScore3")
+  '';
+})