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/misc/screensavers/betterlockscreen/default.nix

@@ -0,0 +1,50 @@
+{ fetchFromGitHub
+, lib
+, makeWrapper
+, stdenv
+
+  # Dependencies (@see https://github.com/pavanjadhaw/betterlockscreen/blob/master/shell.nix)
+, bc
+, coreutils
+, i3lock-color
+, gawk
+, gnugrep
+, gnused
+, imagemagick
+, procps
+, xdpyinfo
+, xrandr
+, xset
+}:
+
+stdenv.mkDerivation rec {
+  pname = "betterlockscreen";
+  version = "4.0.4";
+
+  src = fetchFromGitHub {
+    owner = "pavanjadhaw";
+    repo = "betterlockscreen";
+    rev = "v${version}";
+    sha256 = "sha256-ZZnwByxfESE8ZOOh1vnbphUHDolo9MIQh3erjtBLmWQ=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    cp betterlockscreen $out/bin/betterlockscreen
+    wrapProgram "$out/bin/betterlockscreen" --prefix PATH : "$out/bin:${lib.makeBinPath [ bc coreutils i3lock-color gawk gnugrep gnused imagemagick procps xdpyinfo xrandr xset ]}"
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Fast and sweet looking lockscreen for linux systems with effects!";
+    homepage = "https://github.com/pavanjadhaw/betterlockscreen";
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ eyjhb sebtm ];
+  };
+}