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/inputmethods/triggerhappy/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, perl, systemd }:
+
+stdenv.mkDerivation rec {
+  pname = "triggerhappy";
+  version = "0.5.0";
+
+  src = fetchFromGitHub {
+    owner = "wertarbyte";
+    repo = "triggerhappy";
+    rev = "release/${version}";
+    sha256 = "0gb1qhrxwq7i5abd408d01a2dpf28nr1fph1fg7w7n0i5i1nnk90";
+  };
+
+  nativeBuildInputs = [ pkg-config perl ];
+  buildInputs = [ systemd ];
+
+  makeFlags = [ "PREFIX=$(out)" "BINDIR=$(out)/bin" ];
+
+  postInstall = ''
+    install -D -m 644 -t "$out/etc/triggerhappy/triggers.d" "triggerhappy.conf.examples"
+  '';
+
+  meta = with lib; {
+    description = "A lightweight hotkey daemon";
+    longDescription = ''
+      Triggerhappy is a hotkey daemon developed with small and embedded systems in
+      mind, e.g. linux based routers. It attaches to the input device files and
+      interprets the event data received and executes scripts configured in its
+      configuration.
+    '';
+    homepage = "https://github.com/wertarbyte/triggerhappy/";
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ jfrankenau taha ];
+  };
+}