fusee-cpp: sketch out remainder of secure initialize

libraries/libexosphere/include/exosphere/clkrst.hpp

@@ -29,6 +29,8 @@ namespace ams::clkrst {
     void EnableI2c1Clock();
     void EnableI2c5Clock();
 
+    void EnableCldvfsClock();
+    void EnableTzramClock();
 
     void EnableHost1xClock();
     void EnableTsecClock();

libraries/libexosphere/include/exosphere/pmic.hpp

@@ -36,4 +36,8 @@ namespace ams::pmic {
     bool IsAcOk();
     bool IsPowerButtonPressed();
 
+    void SetSystemSetting();
+    void EnableVddCore();
+    void EnableLdo8();
+
 }