boot: split out gpio, pinmux.

stratosphere/boot/source/boot_charger_driver.hpp

@@ -19,9 +19,10 @@
 #include <stratosphere.hpp>
 
 #include "boot_bq24193_charger.hpp"
-#include "boot_gpio_utils.hpp"
 #include "boot_i2c_utils.hpp"
 
+#include "gpio/gpio_utils.hpp"
+
 namespace sts::boot {
 
     class ChargerDriver {