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_fan_enable.cpp

@@ -20,7 +20,7 @@
 
 #include "gpio/gpio_utils.hpp"
 
-namespace sts::boot {
+namespace ams::boot {
 
     namespace {