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/tools/networking/ssh-askpass-fullscreen/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, gtk2, openssh }:
+
+stdenv.mkDerivation rec {
+  pname = "ssh-askpass-fullscreen";
+  version = "1.2";
+
+  src = fetchFromGitHub {
+    owner = "atj";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1zldhylln412974cnxyqcrrc6b4ry3m9s5ijq3dnwz2g7nz1bx9d";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    gtk2
+    openssh
+  ];
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "A small SSH askpass GUI using GTK+2";
+    homepage = "https://github.com/atj/ssh-askpass-fullscreen";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ caadar ];
+    platforms = platforms.unix;
+  };
+}