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/tools/X11/alttab/default.nix

@@ -0,0 +1,57 @@
+{ lib, stdenv, coreutils, fetchFromGitHub, autoconf, automake, pkg-config, procps, ronn,
+libpng, uthash , which, xnee, xorg, python3Packages }:
+
+stdenv.mkDerivation rec {
+  version = "1.6.1";
+
+  pname = "alttab";
+
+  src = fetchFromGitHub {
+    owner = "sagb";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-g56207IGNDnBIqZmbpcgOLcfAGKwBE0DYu2Dq0bLS8o=";
+  };
+
+  nativeBuildInputs = [
+    autoconf
+    automake
+    pkg-config
+    ronn
+  ];
+
+  preConfigure = "./bootstrap.sh";
+
+  buildInputs = [
+    libpng
+    uthash
+    xorg.libX11
+    xorg.libXft
+    xorg.libXmu
+    xorg.libXpm
+    xorg.libXrandr
+    xorg.libXrender
+  ];
+
+  enableParallelBuilding = true;
+
+  doCheck = true;
+
+  checkInputs = [
+    coreutils
+    procps
+    python3Packages.xvfbwrapper
+    which
+    xnee
+    xorg.xeyes
+    xorg.xprop
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/sagb/alttab";
+    description = "X11 window switcher designed for minimalistic window managers or standalone X11 session";
+    license = licenses.gpl3Plus;
+    platforms = platforms.all;
+    maintainers = [ maintainers.sgraf ];
+  };
+}