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/virtualization/imgcrypt/default.nix

@@ -0,0 +1,32 @@
+{ buildGoModule, fetchFromGitHub, lib }:
+
+buildGoModule rec {
+  pname = "imgcrypt";
+  version = "1.1.4";
+
+  src = fetchFromGitHub {
+    owner = "containerd";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-a5IQahhonaXA74gY+zR6BbV9MdyEu70j0E6YlNmN3DA=";
+  };
+
+  ldflags = [
+    "-X github.com/containerd/containerd/version.Version=${version}"
+  ];
+
+  vendorSha256 = null;
+  subPackages = [ "cmd/ctd-decoder" "cmd/ctr" ];
+
+  postFixup = ''
+    mv $out/bin/ctr $out/bin/ctr-enc
+  '';
+
+  meta = with lib; {
+    description = "Image encryption library and command line tool";
+    homepage = "https://github.com/containerd/imgcrypt";
+    license = licenses.asl20;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ mikroskeem ];
+  };
+}