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/networking/ipfs-migrator/default.nix

@@ -0,0 +1,23 @@
+{ lib
+, buildEnv
+, makeWrapper
+, ipfs-migrator-unwrapped
+, ipfs-migrator-all-fs-repo-migrations
+}:
+
+buildEnv {
+  name = "ipfs-migrator-${ipfs-migrator-unwrapped.version}";
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  paths = [ ipfs-migrator-unwrapped ];
+
+  pathsToLink = [ "/bin" ];
+
+  postBuild = ''
+    wrapProgram "$out/bin/fs-repo-migrations" \
+      --prefix PATH ':' '${lib.makeBinPath [ ipfs-migrator-all-fs-repo-migrations ]}'
+  '';
+
+  inherit (ipfs-migrator-unwrapped) meta;
+}