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_battery_driver.cpp

@@ -18,7 +18,7 @@
 #include "boot_calibration.hpp"
 #include "boot_i2c_utils.hpp"
 
-namespace sts::boot {
+namespace ams::boot {
 
     /* Include configuration into anonymous namespace. */
     namespace {