event: fix static events for CONFIG_NEEDS_MANUAL_RELOC

Static events do not currently work post-relocation for boards that enable
CONFIG_NEEDS_MANUAL_RELOC. Relocate event handler pointers for all event
spies to fix this.

Tested on Microblaze.

Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>

common/event.c

@@ -17,6 +17,7 @@
 #include <malloc.h>
 #include <asm/global_data.h>
 #include <linux/list.h>
+#include <relocate.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -148,6 +149,20 @@ void event_show_spy_list(void)
 	}
 }
 
+#if CONFIG_IS_ENABLED(NEEDS_MANUAL_RELOC)
+int event_manual_reloc(void)
+{
+	struct evspy_info *spy, *end;
+
+	spy = ll_entry_start(struct evspy_info, evspy_info);
+	end = ll_entry_end(struct evspy_info, evspy_info);
+	for (; spy < end; spy++)
+		MANUAL_RELOC(spy->func);
+
+	return 0;
+}
+#endif
+
 #if CONFIG_IS_ENABLED(EVENT_DYNAMIC)
 static void spy_free(struct event_spy *spy)
 {