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/cd-dvd/ecm-tools/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "ecm-tools";
+  version = "1.0.3";
+
+  src = fetchFromGitHub {
+    owner = "alucryd";
+    repo = "ecm-tools";
+    rev = "v${version}";
+    sha256 = "1rvyx5gcy8lfklgj80szlz3312x45wzx0d9jsgwyvy8f6m4nnb0c";
+  };
+
+  dontConfigure = true;
+
+  installPhase = ''
+    install --directory --mode=755 $out/bin
+    install --mode=755 bin2ecm $out/bin
+    (cd $out/bin; ln -s bin2ecm ecm2bin)
+  '';
+
+  meta = with lib; {
+    description = "A utility to uncompress ECM files to BIN CD format";
+    homepage = "https://github.com/alucryd/ecm-tools";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = platforms.all;
+  };
+}