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>

pkgs/applications/virtualization/qtemu/default.nix

@@ -0,0 +1,45 @@
+{ lib, mkDerivation, fetchFromGitLab, pkg-config, qmake, qtbase, qemu }:
+
+mkDerivation rec {
+  pname = "qtemu";
+  version = "2.1";
+
+  src = fetchFromGitLab {
+    owner = "qtemu";
+    repo = "gui";
+    rev = version;
+    sha256 = "1555178mkfw0gwmw8bsxmg4339j2ifp0yb4b2f39nxh9hwshg07j";
+  };
+
+  nativeBuildInputs = [
+    qmake
+    pkg-config
+  ];
+
+  buildInputs = [
+    qtbase
+    qemu
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    # upstream lacks an install method
+    install -D -t $out/share/applications qtemu.desktop
+    install -D -t $out/share/pixmaps qtemu.png
+    install -D -t $out/bin qtemu
+
+    # make sure that the qemu-* executables are found
+    wrapProgram $out/bin/qtemu --prefix PATH : ${lib.makeBinPath [ qemu ]}
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Qt-based front-end for QEMU emulator";
+    homepage = "https://qtemu.org";
+    license = licenses.gpl2;
+    platforms = with platforms; linux;
+    maintainers = with maintainers; [ romildo ];
+  };
+}