soc/intel/common/acpi: Add _PTS, _WAK methods

Change-Id: I72f894fd14bf0e333d9fda970397a3c82de598c3
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/15121
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/include/console/post_codes.h

@@ -244,6 +244,20 @@
  */
 #define POST_FSP_NOTIFY_BEFORE_FINALIZE		0x95
 
+/**
+ * \brief Indicate OS _PTS entry
+ *
+ * Called from _PTS asl method
+ */
+#define POST_OS_ENTER_PTS			0x96
+
+/**
+ * \brief Indicate OS _WAK entry
+ *
+ * Called from within _WAK method
+ */
+#define POST_OS_ENTER_WAKE			0x97
+
 /**
  * \brief Entry into elf boot
  *