soc/intel/xeon_sp: Walk devicetree to find IOAPICs

Walk the devicetree to collect all PCI IOAPICs. When found read
the IOAPIC base address from hardware.

TEST: On ocp/tiogapass all IOAPICs are found and advertised.

Change-Id: I2835c202e56849655795b96bc83862cb18e83fc0
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84851
Reviewed-by: Shuo Liu <shuo.liu@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions