msm: ipa: Fix suspend bit clearing on disconnected pipe

When the USB pipe is getting disconnected there is a possibility
that suspend bit will be cleared due to resource manager. Make
a change to not to clean the suspend bit when pipe disconnection
is in progress.

Change-Id: I97ff3d53c12ed163ae5dbec184ed9445c901459e
Acked-by: Chaitanya Pratapa <cpratapa@qti.qualcomm.com>
Signed-off-by: Ravinder Konka <rkonka@codeaurora.org>