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/freetds/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchurl, autoreconfHook, pkg-config
+, openssl
+, odbcSupport ? true, unixODBC ? null }:
+
+assert odbcSupport -> unixODBC != null;
+
+# Work is in progress to move to cmake so revisit that later
+
+stdenv.mkDerivation rec {
+  pname = "freetds";
+  version = "1.3.9";
+
+  src = fetchurl {
+    url    = "https://www.freetds.org/files/stable/${pname}-${version}.tar.bz2";
+    sha256 = "sha256-qByKmGp6LwuUWZ69eheF1yAX3qbXlqf0S2rGge53wuc=";
+  };
+
+  buildInputs = [
+    openssl
+  ] ++ lib.optional odbcSupport unixODBC;
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+
+  meta = with lib; {
+    description = "Libraries to natively talk to Microsoft SQL Server and Sybase databases";
+    homepage    = "https://www.freetds.org";
+    license     = licenses.lgpl2;
+    maintainers = with maintainers; [ peterhoeg ];
+    platforms   = platforms.all;
+  };
+}