Merge pull request #167534 from NickCao/wayland-utils-cross

wayland-utils: add pkg-config to depsBuildBuild

pkgs/tools/wayland/wayland-utils/default.nix

···
     sha256 = "1h38l850ww6hxjb1l8iwa33nkbz8q88bw6lh0aryjyp8b16crzk4";
   };
 
+  depsBuildBuild = [ pkg-config ];
   nativeBuildInputs = [ meson pkg-config ninja wayland-scanner ];
   buildInputs = [ wayland wayland-protocols ];