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/libzdb/default.nix

@@ -0,0 +1,24 @@
+{lib, stdenv, fetchurl, sqlite}:
+
+stdenv.mkDerivation rec
+{
+  version = "3.2.2";
+  pname = "libzdb";
+
+  src = fetchurl
+  {
+    url = "https://www.tildeslash.com/libzdb/dist/libzdb-${version}.tar.gz";
+    sha256 = "1blmy7228649iscwlldrc1ldf31nhps1ps9xfv44ms0yxqhlw7nm";
+  };
+
+  buildInputs = [ sqlite ];
+
+  meta =
+  {
+    homepage = "http://www.tildeslash.com/libzdb/";
+    description = "A small, easy to use Open Source Database Connection Pool Library";
+    license = lib.licenses.gpl3;
+    platforms = lib.platforms.linux;
+    maintainers = [ ];
+  };
+}