Add nf scale handle
Add nf scale handle

Change-Id: Ib7e9081484efc2eb2a571a3b71e5d819d096837a
Issue-Id: NFVO-133
Signed-off-by: shijie <994e542050a2b94a98ad7e70595947ae42e7c464@zte.com.cn>

open-o/nfvo,open-o/nfvo,open-o/nfvo,open-o/nfvo,open-o/nfvo