kern: save/restore spendsgir in KInterruptController::Save/RestoreCoreLocal

libraries/libmesosphere/include/mesosphere/arch/arm/kern_generic_interrupt_controller.hpp

@@ -116,6 +116,7 @@ namespace ams::kern::arch::arm {
                 u32 ipriorityr[NumLocalInterrupts / 4];
                 u32 itargetsr[NumLocalInterrupts / 4];
                 u32 icfgr[NumLocalInterrupts / 16];
+                u32 spendsgir[4];
             };
 
             struct GlobalState {