qcacld-3.0: Trigger runtime resume before disconnection

In Case device is in suspending, if there is a disconnection,
disconneciton may fail as wmi cmd is not able to send to fw.

Add synchronization resume before disconnection as a protection.

Change-Id: I250d3a86183a61629e9369f49209c5a058a9a9a1
CRs-Fixed: 2746816