aerospike: fix ofborg eval

platforms = [ "x86_64-linux" ] broke ofborg eval of nixos manual
because the aerospike module references this package.
Fixed for now by setting platforms to platforms.linux,
even if aarch64 isn't really supported.

pkgs/servers/nosql/aerospike/default.nix

@@ -30,7 +30,8 @@ stdenv.mkDerivation rec {
     description = "Flash-optimized, in-memory, NoSQL database";
     homepage = http://aerospike.com/;
     license = licenses.agpl3;
-    platforms = [ "x86_64-linux" ];
+    #platforms = [ "x86_64-linux" ];  # breaks eval of nixos manual for aarch64
+    platforms = platforms.linux;
     maintainer = with maintainers; [ kalbasit ];
   };
 }