fix wifi enable fail issues

PR: https://gitee.com/openharmony/startup_init_lite/pulls/742 leads to cpoy file fail and wifi enable fail
Signed-off-by: Nz00588131 <hw.zhangfeng@huawei.com>

services/etc/init.cfg

@@ -249,7 +249,7 @@
                 "mkdir /data/misc/systemkeys 0700 system system",
                 "mkdir /data/misc/wifi 0770 system system",
                 "mkdir /data/misc/wifi/sockets 0770 system system",
-                "mkdir /data/misc/wifi/wpa_supplicant 0660 system system",
+                "mkdir /data/misc/wifi/wpa_supplicant 0770 system system",
                 "mkdir /data/misc/ethernet 0770 system system",
                 "mkdir /data/misc/dhcp 0770 dhcp dhcp",
                 "mkdir /data/misc/user 0771 root root",