cpuinfo_x86::x86_coreid_bits is only used by the AMD numa topology code. No
point in evaluating it on non AMD systems.

No functional change.

Signed-off-by: Thomas Gleixner tglx@linutronix.de
Tested-by: Juergen Gross jgross@suse.com
Tested-by: Sohil Mehta sohil.mehta@intel.com
Tested-by: Michael Kelley mikelley@microsoft.com
Tested-by: Peter Zijlstra (Intel) peterz@infradead.org
Tested-by: Zhang Rui rui.zhang@intel.com
Reviewed-by: Arjan van de Ven arjan@linux.intel.com
Acked-by: Peter Zijlstra (Intel) peterz@infradead.org
Link: https://lore.kernel.org/r/20230814085112.687588373@linutronix.de