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/easyloggingpp/default.nix

@@ -0,0 +1,31 @@
+# To use this package with a CMake and pkg-config build:
+# pkg_check_modules(EASYLOGGINGPP REQUIRED easyloggingpp)
+# add_executable(main src/main.cpp ${EASYLOGGINGPP_PREFIX}/include/easylogging++.cc)
+{ lib, stdenv, fetchFromGitHub, cmake, gtest }:
+stdenv.mkDerivation rec {
+  pname = "easyloggingpp";
+  version = "9.97.0";
+  src = fetchFromGitHub {
+    owner = "amrayn";
+    repo = "easyloggingpp";
+    rev = "v${version}";
+    sha256 = "sha256-sFWmZMnucMuvpwDzuowni21KiD3bx0lH1Ts+yhusOYs=";
+  };
+
+  nativeBuildInputs = [cmake];
+  buildInputs = [gtest];
+  cmakeFlags = [ "-Dtest=ON" ];
+  NIX_CFLAGS_COMPILE = "-std=c++11" +
+    lib.optionalString stdenv.isLinux " -pthread";
+  postInstall = ''
+    mkdir -p $out/include
+    cp ../src/easylogging++.cc $out/include
+  '';
+  meta = {
+    description = "C++ logging library";
+    homepage = "https://github.com/amrayn/easyloggingpp";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [acowley];
+    platforms = lib.platforms.all;
+  };
+}