+ lapic: Start implementation + ioapic: Start implementation + apic: Now properly working + madt: Start implementation + pit: Start implementation + smp: Start implementation (only grabs the bootstrap processor's LAPIC ID)
+ acpi: Start implementation of table lookup + cpu: Remove useless argument to "cpu_invalidate_page" + cpu (x86_64): Removed "read_cr3" + arch/x86_64: Replace debug with trace for GDT & IDT initialization.