Switch atmosphere's build target to C++20. (#952)

* 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

libraries/libstratosphere/include/stratosphere/fs/fs_query_range.hpp

@@ -36,7 +36,7 @@ namespace ams::fs {
         }
     };
 
-    static_assert(std::is_pod<QueryRangeInfo>::value);
+    static_assert(util::is_pod<QueryRangeInfo>::value);
     static_assert(sizeof(QueryRangeInfo) == 0x40);
     static_assert(sizeof(QueryRangeInfo) == sizeof(::FsRangeInfo));