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/applications/audio/keyfinder-cli/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, ffmpeg, libkeyfinder }:
+
+stdenv.mkDerivation rec {
+  pname = "keyfinder-cli";
+  version = "1.1.1";
+
+  src = fetchFromGitHub {
+    repo = "keyfinder-cli";
+    owner = "EvanPurkhiser";
+    rev = "v${version}";
+    sha256 = "1mlcygbj3gqii3cz8jd6ks1lz612i4jp0343qjg293xm39fg47ns";
+  };
+
+  buildInputs = [ ffmpeg libkeyfinder ];
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    inherit (src.meta) homepage;
+    description = "Musical key detection for digital audio (command-line tool)";
+    longDescription = ''
+      This small utility is the automation-oriented DJ's best friend. By making
+      use of Ibrahim Sha'ath's high quality libKeyFinder library, it can be
+      used to estimate the musical key of many different audio formats.
+    '';
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+  };
+}