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/xpra/libfakeXinerama.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchurl, libX11, libXinerama }:
+
+stdenv.mkDerivation  rec {
+  pname = "libfakeXinerama";
+  version = "0.1.0";
+
+  src = fetchurl {
+    url = "https://www.xpra.org/src/${pname}-${version}.tar.bz2";
+    sha256 = "0gxb8jska2anbb3c1m8asbglgnwylgdr44x9lr8yh91hjxsqadkx";
+  };
+
+  buildInputs = [ libX11 libXinerama ];
+
+  buildPhase = ''
+    gcc -O2 -Wall fakeXinerama.c -fPIC -o libfakeXinerama.so.1.0 -shared
+  '';
+
+  installPhase = ''
+    mkdir -p $out/lib
+    cp libfakeXinerama.so.1.0 $out/lib
+    ln -s libfakeXinerama.so.1.0 $out/lib/libXinerama.so.1.0
+    ln -s libXinerama.so.1.0 $out/lib/libXinerama.so.1
+    ln -s libXinerama.so.1 $out/lib/libXinerama.so
+  '';
+
+  meta = with lib; {
+    homepage = "http://xpra.org/";
+    description = "fakeXinerama for Xpra";
+    platforms = platforms.linux;
+    maintainers = [ maintainers.tstrobel ];
+    license = licenses.gpl2;
+  };
+}