qcacld-3.0: Clear the concurrency mode during close all adapter

In hdd_close_all_adapters, adapter is closed without clearing
the concurrency mode.
Clear the concurrency mode for the adapter during closing the
adapter in hdd_close_all_adapters.

Change-Id: I22db9e90968332d8b743b69192cd783bbc085ceb
CRs-Fixed: 2455375