x86: unify genapic code, unify subarchitectures, remove old subarchitecture code, xapic fix

xapic fix for 32bit platform with less than 8 cpu's.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
1 file changed