qcacmn: Fix interrupt handling after pdev deinit

The interrupt polling timer needs to be disabled when the host
device driver decides to unload. Not handling this would cause
in processing of pending interrupts and access data structures
that are being deinitialized causing system instability.

Change-Id: I505281f36f90bef6e1fbf21a5461260272f7c7cb
CRs-Fixed: 2013609
2 files changed