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/libcli/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "libcli";
+  version = "1.9.7";
+
+  src = fetchFromGitHub {
+    sha256 = "08pmjhqkwldhmcwjhi2l27slf1fk6nxxfaihnk2637pqkycy8z0c";
+    rev = "v${version}";
+    repo = "libcli";
+    owner = "dparrish";
+  };
+
+  patches =
+    [ (fetchurl {
+        url = "https://github.com/dparrish/libcli/commit/ebc5a09db457ee1be9996711463cbbafe5ea72d5.patch";
+        sha256 = "0szjiw3gd7by1sv924shnngfxvc98xvaqvx228b575xq93xxjcwl";
+      })
+    ];
+
+  enableParallelBuilding = true;
+
+  makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" "AR=${stdenv.cc.targetPrefix}ar" "PREFIX=$(out)" ];
+
+  meta = with lib; {
+    description = "Emulate a Cisco-style telnet command-line interface";
+    homepage = "http://sites.dparrish.com/libcli";
+    license = licenses.lgpl21Plus;
+    platforms = platforms.all;
+  };
+}