Merge branch 'for-6.7/cxl-qtg' into cxl/next

Merge some prep-work for CXL QOS class support. This cycle saw large
collisions with mm on this topic, so the bulk of this topic needs to
wait.

diff --cc drivers/cxl/core/pci.c
Simple merge

diff --cc drivers/cxl/core/port.c
Simple merge

diff --cc drivers/cxl/cxl.h
Simple merge