soc/intel/{skl,cnl}: add NMI_{EN,STS} registers

Add NMI_EN and NMI_STS registers, so they can be configured for using
NMI gpios.

References:
- CMP-LP: Intel doc# 615146-1.2
- CMP-H:  Intel doc# 620855-002
- SPT-H:  Intel doc# 332691-003
- SPT-LP: Intel doc# 334659-005
- CNP-H:  Intel doc# 337868-002

Test: trigger NMI via gpio on Supermicro X11SSM-F did not work before
but now makes the Linux kernel complain about a NMI.

Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Change-Id: I4d57ae89423bdaacf84f0bb0282bbb1c9df94598
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48091
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions