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/misc/speedread/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub, perl }:
+
+stdenv.mkDerivation rec {
+  pname = "speedread";
+  version = "unstable-2016-09-21";
+
+  src = fetchFromGitHub {
+    owner = "pasky";
+    repo = "speedread";
+    rev = "93acfd61a1bf4482537ce5d71b9164b8446cb6bd";
+    sha256 = "1h94jx3v18fdlc64lfmj2g5x63fjyqb8c56k5lihl7bva0xgdkxd";
+  };
+
+  buildInputs = [ perl ];
+
+  installPhase = ''
+    install -m755 -D speedread $out/bin/speedread
+  '';
+
+  meta = with lib; {
+    description = "A simple terminal-based open source Spritz-alike";
+    longDescription = ''
+      Speedread is a command line filter that shows input text as a
+      per-word rapid serial visual presentation aligned on optimal
+      reading points. This allows reading text at a much more rapid
+      pace than usual as the eye can stay fixed on a single place.
+    '';
+    homepage = src.meta.homepage;
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.oxij ];
+  };
+}