qcacld-3.0:IPA-uC: Check IPA pipes are up before disable it when SSR deinit
qcacld-2.0 to qcacld-3.0 propagation
When SSR happens, IPA WDI pipes may not be enabled yet,
so need to check if it up before disable it.
Change-Id: I5ff643fcf9804dc0933105079f0653884f7d63dc
CRs-Fixed: 938605