ec/google/chromeec: Initialize SMI mask in google_chromeec_events_init

This change adds smi_events to google_chromeec_event_info and allows
mainboards to set SMI mask if current boot type is not S3 wakeup.

Change-Id: I899a6af6e57d295b4eac2039c8245ebcc73a42bb
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/26709
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/ec/google/chromeec/ec.h

@@ -152,6 +152,7 @@ int google_chromeec_command(struct chromeec_command *cec_command);
 struct google_chromeec_event_info {
 	uint64_t log_events;
 	uint64_t sci_events;
+	uint64_t smi_events;
 	uint64_t s3_wake_events;
 	uint64_t s3_device_events;
 	uint64_t s5_wake_events;