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/misc/gtkterm/default.nix

@@ -0,0 +1,42 @@
+{ stdenv, lib, fetchFromGitHub, meson, ninja, pkg-config, gtk3, vte, libgudev, wrapGAppsHook }:
+
+stdenv.mkDerivation rec {
+  pname = "gtkterm";
+  version = "1.1.1";
+
+  src = fetchFromGitHub {
+    owner = "Jeija";
+    repo = "gtkterm";
+    rev = "${version}";
+    sha256 = "0s2cx8w1n8d37pl80gll5h6dyvbqrfcam8l4wmvnqqww9jml6577";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    wrapGAppsHook
+  ];
+
+  buildInputs = [
+    gtk3
+    vte
+    libgudev
+  ];
+
+  meta = with lib; {
+    description = "A simple, graphical serial port terminal emulator";
+    homepage = "https://github.com/Jeija/gtkterm";
+    license = licenses.gpl3Plus;
+    longDescription = ''
+      GTKTerm is a simple, graphical serial port terminal emulator for
+      Linux and possibly other POSIX-compliant operating systems. It
+      can be used to communicate with all kinds of devices with a
+      serial interface, such as embedded computers, microcontrollers,
+      modems, GPS receivers, CNC machines and more.
+    '';
+    maintainers = with maintainers; [ wentasah ];
+    platforms = platforms.linux;
+    mainProgram = "gtkterm";
+  };
+}