Merge pull request #43367 from dtzWill/fix/haskell-integer-simple-buildPkgs

haskell: fix package sets based on integer-simple

pkgs/top-level/haskell-packages.nix

@@ -200,6 +200,7 @@ in rec {
         (pkgs.lib.attrNames packages);
     in pkgs.lib.genAttrs integerSimpleGhcNames (name: packages."${name}".override {
       ghc = bh.compiler.integer-simple."${name}";
+      buildHaskellPackages = bh.packages.integer-simple."${name}";
       overrides = _self : _super : {
         integer-simple = null;
         integer-gmp = null;