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/drip/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchFromGitHub, jdk8, which, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "drip";
+  version = "0.2.4";
+
+  src = fetchFromGitHub {
+    repo = pname;
+    owner = "ninjudd";
+    rev = version;
+    sha256 = "1zl62wdwfak6z725asq5lcqb506la1aavj7ag78lvp155wyh8aq1";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  buildInputs = [ jdk8 ];
+
+  postPatch = ''
+    patchShebangs .
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir $out
+    cp ./* $out -r
+    wrapProgram $out/bin/drip \
+      --prefix PATH : "${which}/bin"
+    $out/bin/drip version
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "A launcher for the Java Virtual Machine intended to be a drop-in replacement for the java command, only faster";
+    license = licenses.epl10;
+    homepage = "https://github.com/ninjudd/drip";
+    platforms = platforms.linux;
+    maintainers = [ maintainers.rybern ];
+  };
+}