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/misc/logtop/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchFromGitHub, ncurses, uthash, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "logtop";
+  version = "0.7";
+
+  src = fetchFromGitHub {
+    rev = "logtop-${version}";
+    owner = "JulienPalard";
+    repo  ="logtop";
+    sha256 = "1f8vk9gybldxvc0kwz38jxmwvzwangsvlfslpsx8zf04nvbkqi12";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ ncurses uthash ];
+
+  makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" ];
+  installFlags = [ "DESTDIR=$(out)" ];
+
+  postConfigure = ''
+    substituteInPlace Makefile --replace /usr ""
+  '';
+
+  meta = with lib; {
+    description = "Displays a real-time count of strings received from stdin";
+    longDescription = ''
+      logtop displays a real-time count of strings received from stdin.
+      It can be useful in some cases, like getting the IP flooding your
+      server or the top buzzing article of your blog
+    '';
+    license = licenses.bsd2;
+    homepage = "https://github.com/JulienPalard/logtop";
+    platforms = platforms.unix;
+    maintainers = [ maintainers.starcraft66 ];
+  };
+}