google/rush_ryu: Add support for event log

BUG=chrome-os-partner:33764
BRANCH=None
TEST=Event logs verified on ryu across multiple boots.

Change-Id: Iff4a60b3904ef0fcdd2513df579db8f5877808de
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fbe6290de7eaed0d66a26cc2389181a8d38a59d6
Original-Change-Id: I50d052bb15ec6616b0bf82bf1f1acf9080f4c54b
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/229415
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9426
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/mainboard/google/rush_ryu/mainboard.c b/src/mainboard/google/rush_ryu/mainboard.c
index 0f98229..1a78e02 100644
--- a/src/mainboard/google/rush_ryu/mainboard.c
+++ b/src/mainboard/google/rush_ryu/mainboard.c
@@ -20,6 +20,7 @@
 #include <arch/mmu.h>
 #include <boot/coreboot_tables.h>
 #include <device/device.h>
+#include <elog.h>
 #include <memrange.h>
 #include <soc/addressmap.h>
 #include <soc/clk_rst.h>
@@ -27,6 +28,7 @@
 #include <soc/funitcfg.h>
 #include <soc/nvidia/tegra/i2c.h>
 #include <soc/padconfig.h>
+#include <vendorcode/google/chromeos/chromeos.h>
 
 static const struct pad_config mmcpads[] = {
 	/* MMC4 (eMMC) */
@@ -72,6 +74,8 @@
 	/* I2C6 bus (audio, etc.) */
 	soc_configure_i2c6pad();
 	i2c_init(I2C6_BUS);
+	elog_init();
+	elog_add_boot_reason();
 }
 
 static void mainboard_enable(device_t dev)