mb/google/reef,sand: Set S0ix lazy wake mask

Enable S0ix wake mask programming from coreboot using unified host event
programming interface. Lazy s0ix wake mask helps to configure s0ix wake
mask during boot and EC sets the wake mask during S0ix entry.

BRANCH=none
BUG=b:63969337
TEST=verify masks with ec hostevent command on S0, S3, S5 and S0ix

Change-Id: If56d1de5d1157c8cf9c418e3a9d2396ffcfcb0fd
Signed-off-by: Jenny TC <jenny.tc@intel.com>
Reviewed-on: https://review.coreboot.org/21610
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/reef/ec.c

@@ -28,6 +28,7 @@ static void ramstage_ec_init(void)
 		.sci_events = MAINBOARD_EC_SCI_EVENTS,
 		.s3_wake_events = MAINBOARD_EC_S3_WAKE_EVENTS,
 		.s5_wake_events = MAINBOARD_EC_S5_WAKE_EVENTS,
+		.s0ix_wake_events = MAINBOARD_EC_S0IX_WAKE_EVENTS,
 	};
 
 	printk(BIOS_ERR, "mainboard: EC init\n");

src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h

@@ -49,6 +49,8 @@
 	(MAINBOARD_EC_S5_WAKE_EVENTS |\
 	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEY_PRESSED))
 
+#define MAINBOARD_EC_S0IX_WAKE_EVENTS	(MAINBOARD_EC_S3_WAKE_EVENTS)
+
 /* Log EC wake events plus EC shutdown events */
 #define MAINBOARD_EC_LOG_EVENTS \
 	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_SHUTDOWN) |\

src/mainboard/google/reef/variants/sand/include/variant/ec.h

@@ -48,6 +48,8 @@
 	(MAINBOARD_EC_S5_WAKE_EVENTS |\
 	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEY_PRESSED))
 
+#define MAINBOARD_EC_S0IX_WAKE_EVENTS	(MAINBOARD_EC_S3_WAKE_EVENTS)
+
 /* Log EC wake events plus EC shutdown events */
 #define MAINBOARD_EC_LOG_EVENTS \
 	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_SHUTDOWN) |\