Kernel: Add header includes closer to their use

Author: https://github.com/jamesmintram
Commit: 26d7c25076
Pull-request: https://github.com/SerenityOS/serenity/pull/10453
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg ✅

Kernel/Arch/x86/common/Processor.cpp

@@ -24,6 +24,10 @@
 #include <Kernel/Arch/x86/SafeMem.h>
 #include <Kernel/Arch/x86/ScopedCritical.h>
 #include <Kernel/Arch/x86/TrapFrame.h>
+#include <Kernel/Arch/x86/InterruptDisabler.h>
+
+#include <Kernel/Memory/ScopedAddressSpaceSwitcher.h>
+#include <Kernel/Memory/PageDirectory.h>
 
 namespace Kernel {