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/elfio/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, boost
+}:
+
+stdenv.mkDerivation rec {
+  pname = "elfio";
+  version = "3.10";
+
+  src = fetchFromGitHub {
+    owner = "serge1";
+    repo = "elfio";
+    rev = "Release_${version}";
+    sha256 = "sha256-DuZhkiHXdCplRiOy1Gsu7voVPdCbFt+4qFqlOeOeWQw=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  checkInputs = [ boost ];
+
+  cmakeFlags = [ "-DELFIO_BUILD_TESTS=ON" ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Header-only C++ library for reading and generating files in the ELF binary format";
+    homepage = "https://github.com/serge1/ELFIO";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ prusnak ];
+  };
+}