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/khd/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch, Carbon, Cocoa }:
+
+stdenv.mkDerivation rec {
+  pname = "khd";
+  version = "3.0.0";
+
+  src = fetchFromGitHub {
+    owner = "koekeishiya";
+    repo = "khd";
+    rev = "v${version}";
+    sha256 = "0nzfhknv1s71870w2dk9dy56a3g5zsbjphmfrz0vsvi438g099r4";
+  };
+
+  patches = [
+    # Fixes build issues, remove with >3.0.0
+    (fetchpatch {
+      url = "https://github.com/koekeishiya/khd/commit/4765ae0b4c7d4ca56319dc92ff54393cd9e03fbc.patch";
+      sha256 = "0kvf5hxi5bf6pf125qib7wn7hys0ag66zzpp4srj1qa87lxyf7np";
+    })
+  ];
+
+  buildInputs = [ Carbon Cocoa ];
+
+  buildPhase = ''
+    make install
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp bin/khd $out/bin/khd
+
+    mkdir -p $out/Library/LaunchDaemons
+    cp ${./org.nixos.khd.plist} $out/Library/LaunchDaemons/org.nixos.khd.plist
+    substituteInPlace $out/Library/LaunchDaemons/org.nixos.khd.plist --subst-var out
+  '';
+
+  meta = with lib; {
+    description = "A simple modal hotkey daemon for OSX";
+    homepage = "https://github.com/koekeishiya/khd";
+    downloadPage = "https://github.com/koekeishiya/khd/releases";
+    platforms = platforms.darwin;
+    maintainers = with maintainers; [ lnl7 ];
+    license = licenses.mit;
+  };
+}

pkgs/os-specific/darwin/khd/org.nixos.khd.plist

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>Label</key>
+  <string>org.nixos.khd</string>
+  <key>ProgramArguments</key>
+  <array>
+  <string>@out@/bin/khd</string>
+  </array>
+  <key>KeepAlive</key>
+  <true/>
+  <key>ProcessType</key>
+  <string>Interactive</string>
+  <key>EnvironmentVariables</key>
+  <dict>
+    <key>PATH</key>
+    <string>@out@/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin</string>
+  </dict>
+  <key>Sockets</key>
+  <dict>
+    <key>Listeners</key>
+    <dict>
+      <key>SockServiceName</key>
+      <string>3021</string>
+      <key>SockType</key>
+      <string>dgram</string>
+      <key>SockFamily</key>
+      <string>IPv4</string>
+    </dict>
+  </dict>
+</dict>
+</plist>