FROMLIST: PCI: rockchip: remove the pointer to L1 substate cap

Per the errata of TRM, the RC can't support L1 substate, so we
need to remove the L1 substate cap.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
(applied from my Inbox; did not actually make it to any mailing list
 archive I and find)

BUG=chrome-os-partner:56849
TEST=check `lspci -vv` before and after -- no more
     "Capabilities: [900 v1] L1 PM Substates"

Change-Id: I782560132b7a91d9ffd7b266c8995fd3b67573e6
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/398901
(cherry picked from commit 636924fb3bbaebfa51c1983432f9eea27707f662)
Reviewed-on: https://chromium-review.googlesource.com/400999
1 file changed