When wlan driver unloading is in progress, IPA_OPCODE_TX/RX_SUSPEND
will not be processed and resource_unloading may be left as true.
Moroever since driver will be unloaded, IPA_OPCODE_TX/RX_SUSPEND
interaction between Host and FW will not be necessary.
Fix is to disable IPA pipes directly when handling disconnection
if wlan driver unloading is in progress.
Change-Id: Ia4af1ab04052b1a9bab44105760de50ad6263dbb
CRs-Fixed: 2279044
3a321f3cfb