update services/etc/init.cfg.

Signed-off-by: N蓝色大魔王 <hanqiaosheng@huawei.com>

services/etc/init.cfg

@@ -169,6 +169,7 @@
                 "chown system system /sys/class/leds/green/brightness",
                 "chown system system /sys/class/leds/blue/brightness",
                 "chown root radio /proc/cmdline",
+                "chown update update /dev/block/by-name/misc",
                 "setparam net.tcp.default_init_rwnd 60"
             ]
         }, {