This change provides config for devicetree to control ASPM per port
TEST=Build and Boot verified on google/rex
Port of 'commit 6e52c1da4a ("soc/intel/{adl,common}:
Add ASPM setting in pcie_rp_config)'
Signed-off-by: Dinesh Gehlot <digehlot@google.com>
Change-Id: I284bf51628193aa5f82f21fbf29c57a6ea5f9cd8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70661
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>