* set.mitm: fake compatibility for usb!usb30_force_enabled on 9.0.0+
* set.mitm: add value meaning comment for usb!usb30_force_enabled
* loader: pretend to be polite about patch ordering
namespace sts::ams -> ams::exosphere, ams::.
This is to facilitate future use of ams:: namespace code in
mesosphere, as we'll want to include ams::util, ams::result, ams::svc...