Drop SoC specific code and use generic implementation provided
by pci_domain_fill_ssdt.
TEST=Booted on IBM/SBP1 to Ubuntu 22.04.
TEST=intel/archercity CRB
Change-Id: I8b0bc2eb02569b5d74f8521d79e0af8fee880c80
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80796
Reviewed-by: Shuo Liu <shuo.liu@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>