namespace sts -> namespace ams

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...

stratosphere/boot/source/boot_power_utils.hpp

@@ -18,7 +18,7 @@
 #include <switch.h>
 #include <stratosphere.hpp>
 
-namespace sts::boot {
+namespace ams::boot {
 
     /* Power utilities. */
     void RebootSystem();