soc/intel/apl: Ensure CPU_CLUSTER linked_list bus exists

This fixes a NULL pointer deref introduced by 69cd729 (mb/*: Remove
lapic from devicetree).

Change-Id: I816fddfe3efe3c3aefe1b2ee28426dc1e1f3c962
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72599
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

0 files changed, 0 insertions, 0 deletions