expo: Enable the mouse when available

When creating a new bootflow menu or cedit, enable the mouse, so the
user can interact with the expo more easily.

Signed-off-by: Simon Glass <sjg@chromium.org>

boot/bootflow_menu.c

@@ -51,6 +51,8 @@ int bootflow_menu_new(struct expo **expp)
 		return log_msg_ret("exp", ret);
 	expo_req_size(exp, 1366, 768);
 
+	expo_set_mouse_enable(exp, true);
+
 	ret = scene_new(exp, "main", MAIN, &scn);
 	if (ret < 0)
 		return log_msg_ret("scn", ret);

boot/cedit.c

@@ -243,6 +243,8 @@ int cedit_run(struct expo *exp)
 		return log_msg_ret("prep", ret);
 	scene_id = ret;
 
+	expo_set_mouse_enable(exp, true);
+
 	exp->done = false;
 	exp->save = false;
 	do {