Add ACPI Object for ISH SSDT
Enable/disable ISH based on devicetree
BRANCH=none
BUG=b:145946347
TEST=boot to OS with TGL RVP UP3
Signed-off-by: Hu, Hebo <hebo.hu@intel.com>
Signed-off-by: li feng <li1.feng@intel.com>
Change-Id: I30f4d936ece139cf67640e6df6a9f47579f87bca
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39480
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>