soc/intel/common/block/pcie: Select ASPM on mainboard basis

Current the common soc code automatically selects PCIEXP_CLK_PM and
PCIEXP_L1_SUB_STATE which breaks booting Windows with a PCIE NVIDIA
graphics card attached on mainboards that do not have a CLKREQ# signal.

This is commonly used on server and workstations boards where the
additional power savings of L1 substate are not required.

Make the PCIEXP_CLK_PM and PCIEXP_L1_SUB_STATE default y but do not
select it anymore by the soc code, thus we can disable it in the
mainboard code.

Tested on CFL with Windows 10.

Change-Id: I025e13d6d8183256647e4c034e31bafa235f7eb7
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41696
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions