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/networking/igmpproxy/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook }:
+
+stdenv.mkDerivation rec {
+  pname = "igmpproxy";
+  version = "0.3";
+
+  src = fetchFromGitHub {
+    owner = "pali";
+    repo = "igmpproxy";
+    rev = version;
+    sha256 = "sha256-B7mq+5pKWMO4dJeFPB7tiyjDQjj90g/kmYB2ApBE3Ic=";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  meta = with lib; {
+    description = "A daemon that routes multicast using IGMP forwarding";
+    homepage = "https://github.com/pali/igmpproxy/";
+    changelog = "https://github.com/pali/igmpproxy/releases/tag/${version}";
+    license = licenses.gpl2Plus;
+    maintainers = [ maintainers.sdier ];
+    # The maintainer is using this on linux, but if you test it on other platforms
+    # please add them here!
+    platforms = platforms.linux;
+  };
+}