mainboard/google/puff: Enable pcie7 ep in dt
Missing bus init for RTL8111H ethernet chip hanging on bus.
V.2: Include admendments from Kangheui.
BRANCH=none
BUG=b:
146437819
TEST=./util/abuild/abuild -p none -t google/hatch -x -a
Change-Id: I22aba312f183ea05eeb81d326ca0c05ce340a2e8
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37804
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>