haskell.compiler.ghc901: fix aarch64-darwin build

by applying autoSignDarwinBinariesHook

pkgs/development/compilers/ghc/9.0.1.nix

@@ -3,6 +3,7 @@
 # build-tools
 , bootPkgs
 , autoconf, automake, coreutils, fetchurl, perl, python3, m4, sphinx
+, autoSignDarwinBinariesHook
 , bash
 
 , libiconv ? null, ncurses
@@ -243,6 +244,8 @@ stdenv.mkDerivation (rec {
   nativeBuildInputs = [
     perl autoconf automake m4 python3
     ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
+  ] ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
+    autoSignDarwinBinariesHook
   ] ++ lib.optionals enableDocs [
     sphinx
   ];

pkgs/top-level/haskell-packages.nix

@@ -108,6 +108,7 @@ in {
         else
           packages.ghc8107Binary;
       inherit (buildPackages.python3Packages) sphinx;
+      inherit (buildPackages.darwin) autoSignDarwinBinariesHook;
       buildLlvmPackages = buildPackages.llvmPackages_10;
       llvmPackages = pkgs.llvmPackages_10;
     };