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/tools/database/ephemeralpg/default.nix

@@ -0,0 +1,22 @@
+{ lib, stdenv, fetchurl, postgresql, getopt, makeWrapper }:
+stdenv.mkDerivation rec {
+  pname = "ephemeralpg";
+  version = "3.1";
+  src = fetchurl {
+    url = "http://ephemeralpg.org/code/${pname}-${version}.tar.gz";
+    sha256 = "1ap22ki8yz6agd0qybcjgs4b9izw1rwwcgpxn3jah2ccfyax34s6";
+  };
+  nativeBuildInputs = [ makeWrapper ];
+  installPhase = ''
+    mkdir -p $out
+    PREFIX=$out make install
+    wrapProgram $out/bin/pg_tmp --prefix PATH : ${lib.makeBinPath [ postgresql getopt ]}
+  '';
+  meta = with lib; {
+    description = "Run tests on an isolated, temporary PostgreSQL database";
+    license = licenses.isc;
+    homepage = "http://ephemeralpg.org/";
+    platforms = platforms.all;
+    maintainers = with maintainers; [ hrdinka ];
+  };
+}