Pull x86 interrupt related updates from Thomas Gleixner:

 - Consolidate the VECTOR defines and the usage sites.

 - Cleanup GDT/IDT related code and replace open coded ASM with proper
   native helper functions.

* tag 'x86-irq-2021-06-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kexec: Set_[gi]dt() -> native_[gi]dt_invalidate() in machine_kexec_*.c
  x86: Add native_[ig]dt_invalidate()
  x86/idt: Remove address argument from idt_invalidate()
  x86/irq: Add and use NR_EXTERNAL_VECTORS and NR_SYSTEM_VECTORS
  x86/irq: Remove unused vectors defines