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/development/libraries/rapidxml/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchurl, unzip }:
+
+stdenv.mkDerivation rec {
+  pname = "rapidxml";
+  version = "1.13";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/${pname}/${pname}-${version}.zip";
+    sha256 = "0w9mbdgshr6sh6a5jr10lkdycjyvapbj7wxwz8hbp0a96y3biw63";
+  };
+
+  nativeBuildInputs = [ unzip ];
+
+  installPhase = ''
+    mkdir -p $out/include/${pname}
+    cp * $out/include/${pname}
+  '';
+
+  meta = with lib; {
+    description = "Fast XML DOM-style parser in C++";
+    homepage = "http://rapidxml.sourceforge.net/";
+    license = licenses.boost;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ cpages ];
+  };
+}