fizz: Use root port to address PCIe NVMe

BUG=b:38348767,b:37486021
BRANCH=None
TEST=Ensure can boot from NVMe

Change-Id: Ib753fb341baa944d1e113d09aff19b1f9f2a9ec7
Signed-off-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/507708
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@google.com>
1 file changed