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/os-specific/darwin/discrete-scroll/default.nix

@@ -0,0 +1,36 @@
+{ stdenv, lib, fetchFromGitHub, Cocoa }:
+
+## after launching for the first time, grant access for parent application (e.g. Terminal.app)
+## from 'system preferences >> security & privacy >> accessibility'
+## and then launch again
+
+stdenv.mkDerivation rec {
+  pname = "discrete-scroll";
+  version = "0.1.1";
+
+  src = fetchFromGitHub {
+    owner = "emreyolcu";
+    repo = "discrete-scroll";
+    rev = "v${version}";
+    sha256 = "0aqkp4kkwjlkll91xbqwf8asjww8ylsdgqvdk8d06bwdvg2cgvhg";
+  };
+
+  buildInputs = [ Cocoa ];
+
+  buildPhase = ''
+    cc -std=c99 -O3 -Wall -framework Cocoa -o dc DiscreteScroll/main.m
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ./dc $out/bin/discretescroll
+  '';
+
+  meta = with lib; {
+    description = "Fix for OS X's scroll wheel problem";
+    homepage = "https://github.com/emreyolcu/discrete-scroll";
+    platforms = platforms.darwin;
+    license = licenses.mit;
+    maintainers = with lib.maintainers; [ bb2020 ];
+  };
+}