sb/intel/bd82x6x: Improve SLCAP

- Use pci_find_capability() and defines from pci_def.h
- Set the 'Hotplug Capable' bit and 'Hot Plug Surprise' bit in SLCAP
  for hotplugable PCIe slots.
- Assign unique slot number and set power limit for PCIe root ports
  that have a slot connected. For integrated devices clear slot number
  and power limit.

Test: System still boots and all PCIe devices are working.

Change-Id: I03aeb0a1ff0041901acc20fe700d3f7995d22366
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78228
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

0 files changed, 0 insertions, 0 deletions