soc/intel/skl: add SLP_S0 residency register and enable LPIT support

Test: Linux adds the cpuidle sysfs interface; Windows with s0ix_enable=1
      boots without crashing with an INTERNAL_POWER_ERROR.

Change-Id: Icccd9d15a9e9a22c9bfe7a9843e95d77013c9c8f
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49047
Reviewed-by: Lance Zhao
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions