x86: remove obsolete BOI_HANDLER_SUPPORTED option

Begining of interrupt (BOI) is only supported on systems with a 8259
interrupt controller all modern x86 systems use APIC interrupt
controller.

Change-Id: Ife2b3b1971bbebeda597bfa1f96005f79cd7e959
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
2 files changed