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/os-specific/linux/latencytop/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchurl, ncurses, glib, pkg-config, gtk2, util-linux }:
+
+stdenv.mkDerivation rec {
+  pname = "latencytop";
+  version = "0.5";
+
+  postPatch = ''
+    sed -i s,/usr,$out, Makefile
+
+    # Fix #171609
+    substituteInPlace fsync.c --replace /bin/mount ${util-linux}/bin/mount
+  '';
+
+  preInstall = "mkdir -p $out/sbin";
+
+  src = fetchurl {
+    urls = [ "http://latencytop.org/download/latencytop-${version}.tar.gz"
+     "http://dbg.download.sourcemage.org/mirror/latencytop-0.5.tar.gz" ];
+    sha256 = "1vq3j9zdab6njly2wp900b3d5244mnxfm88j2bkiinbvxbxp4zwy";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ ncurses glib gtk2 ];
+
+  meta = {
+    homepage = "http://latencytop.org";
+    description = "Tool to show kernel reports on latencies (LATENCYTOP option)";
+    license = lib.licenses.gpl2;
+    maintainers = [ lib.maintainers.viric ];
+    platforms = lib.platforms.linux;
+  };
+}