To keep this for the future we also strictDeps where possible, including for janePackages, topkg, oasis and ocamlbuild.
This makes some closures significantly smaller and makes cross compilation easier
* ocamlPackages.mirage-crypto
* ocamlPackages.mirage-crypto-pk
* ocamlPackages.mirage-crypto-rng
* ocamlPackages.mirage-crypto-rng-mirage: new package which was
previously part of mirage-crypto-rng