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/tools/maligned/default.nix

@@ -0,0 +1,30 @@
+{ buildGoPackage
+, lib
+, fetchFromGitHub
+}:
+
+buildGoPackage rec {
+  pname = "maligned-unstable";
+  version = "2018-07-07";
+  rev = "6e39bd26a8c8b58c5a22129593044655a9e25959";
+
+  goPackagePath = "github.com/mdempsky/maligned";
+
+  src = fetchFromGitHub {
+    inherit rev;
+
+    owner = "mdempsky";
+    repo = "maligned";
+    sha256 = "08inr5xjqv9flrlyhqd8ck1q26y5xb6iilz0xkb6bqa4dl5ialhi";
+  };
+
+  goDeps = ./deps.nix;
+
+  meta = with lib; {
+    description = "Tool to detect Go structs that would take less memory if their fields were sorted";
+    homepage = "https://github.com/mdempsky/maligned";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ kalbasit ];
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+}