* ams: update to build with gcc10/c++20
* remove mno-outline-atomics
* ams: take care of most TODO C++20s
* fusee/sept: update for gcc10
* whoosh, your code now uses pre-compiled headers
* make: dependency fixes
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...
