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/development/libraries/check/default.nix

@@ -0,0 +1,37 @@
+{ fetchurl, lib, stdenv
+, CoreServices
+}:
+
+stdenv.mkDerivation rec {
+  pname = "check";
+  version = "0.15.2";
+
+  src = fetchurl {
+    url = "https://github.com/libcheck/check/releases/download/${version}/check-${version}.tar.gz";
+    sha256 = "02m25y9m46pb6n46s51av62kpd936lkfv3b13kfpckgvmh5lxpm8";
+  };
+
+  # Test can randomly fail: https://hydra.nixos.org/build/7243912
+  doCheck = false;
+
+  buildInputs = lib.optional stdenv.isDarwin CoreServices;
+
+  meta = with lib; {
+    description = "Unit testing framework for C";
+
+    longDescription =
+      '' Check is a unit testing framework for C.  It features a simple
+         interface for defining unit tests, putting little in the way of the
+         developer.  Tests are run in a separate address space, so Check can
+         catch both assertion failures and code errors that cause
+         segmentation faults or other signals.  The output from unit tests
+         can be used within source code editors and IDEs.
+      '';
+
+    homepage = "https://libcheck.github.io/check/";
+
+    license = licenses.lgpl2Plus;
+    mainProgram = "checkmk";
+    platforms = platforms.all;
+  };
+}