ACPICA: Add new notify value for HEST table

ACPICA commit 35e06462f3186e1e6e9cb4fe97dfb43d4b3718a2

"Software Delegated Exception" - ACPI 6.2

Link: https://github.com/acpica/acpica/commit/35e06462


Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>