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/coolreader/default.nix

@@ -0,0 +1,27 @@
+{ stdenv, mkDerivation, fetchFromGitHub, cmake, pkg-config, lib,
+  qttools, fribidi, libunibreak }:
+
+mkDerivation rec {
+  pname = "coolreader";
+  version = "3.2.57";
+
+  src = fetchFromGitHub {
+    owner = "buggins";
+    repo = pname;
+    rev = "cr${version}";
+    sha256 = "sha256-ZfgaLCLvBU6xP7nx7YJTsJSpvpdQgLpSMWH+BsG8E1g=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  buildInputs = [ qttools fribidi libunibreak ];
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    homepage = "https://github.com/buggins/coolreader";
+    description = "Cross platform open source e-book reader";
+    license = licenses.gpl2Plus; # see https://github.com/buggins/coolreader/issues/80
+    maintainers = with maintainers; [ gebner ];
+    platforms = platforms.all;
+  };
+}