event: Set up the event system on start-up

Call event_init() before relocation to get the event system running.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/board_f.c b/common/board_f.c
index a687600..e36bdbc 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -19,6 +19,7 @@
 #include <dm.h>
 #include <env.h>
 #include <env_internal.h>
+#include <event.h>
 #include <fdtdec.h>
 #include <fs.h>
 #include <hang.h>
@@ -828,6 +829,7 @@
 	initf_malloc,
 	log_init,
 	initf_bootstage,	/* uses its own timer, so does not need DM */
+	event_init,
 #ifdef CONFIG_BLOBLIST
 	bloblist_init,
 #endif