Add apic module that does not do anything yet

src/hulk/hulk.d

@@ -19,6 +19,7 @@ import hos.cpu;
 import ldc.llvmasm;
 import hulk.pic;
 import hulk.acpi;
+import hulk.apic;
 
 extern extern(C) __gshared ubyte _hulk_total_size;
 
@@ -52,6 +53,7 @@ void hulk_start()
     pci.initialize();
     pic.initialize();
     acpi.initialize(hulk_header.bootinfo.acpi_xsdt_phys);
+    apic.initialize();
     sti();
 
     for (;;)