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/servers/web-apps/pgpkeyserver-lite/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation {
+  pname = "pgpkeyserver-lite";
+  version = "2017-07-18";
+
+  src = fetchFromGitHub {
+    owner = "mattrude";
+    repo = "pgpkeyserver-lite";
+    rev = "a038cb7";
+    sha256 = "12pn92pcpv38b2gmamppn9yzdn7x52pgxnzpal22gqsxwimhs2rx";
+  };
+
+  installPhase = ''
+    mkdir -p $out
+    cp -R 404.html assets favicon.ico index.html robots.txt $out
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/mattrude/pgpkeyserver-lite";
+    description = "A lightweight static front-end for a sks keyserver";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ calbrecht globin ];
+  };
+}