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/misc/edid-generator/default.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv
+, fetchFromGitHub
+, dos2unix
+, edid-decode
+, hexdump
+, zsh
+, modelines ? [] # Modeline "1280x800"   83.50  1280 1352 1480 1680  800 803 809 831 -hsync +vsync
+}:
+
+stdenv.mkDerivation rec {
+  pname = "edid-generator";
+  version = "unstable-2018-03-15";
+
+  src = fetchFromGitHub {
+    owner = "akatrevorjay";
+    repo = "edid-generator";
+    rev = "31a6f80784d289d2faa8c4ca4788409c83b3ea14";
+    sha256 = "0j6wqzx5frca8b5i6812vvr5iwk7440fka70bmqn00k0vfhsc2x3";
+  };
+
+  nativeBuildInputs = [ dos2unix edid-decode hexdump zsh ];
+
+  postPatch = ''
+    patchShebangs modeline2edid
+  '';
+
+  configurePhase = (lib.concatMapStringsSep "\n" (m: "echo \"${m}\" | ./modeline2edid -") modelines);
+
+  installPhase = ''
+    install -Dm 444 *.bin -t "$out/lib/firmware/edid"
+  '';
+
+  meta = {
+    description = "Hackerswork to generate an EDID blob from given Xorg Modelines";
+    homepage = "https://github.com/akatrevorjay/edid-generator";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.flokli ];
+    platforms = lib.platforms.all;
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/edid-generator.x86_64-darwin
+  };
+}