msm: ipa3: Fix to avoid deadlock during USB connect

During MHI pipe enable we are removing pipe delay by acquiring
mutex_lock of usb. As this lock is already acquired in usb
connect, we see deadlock. Add changes to use generic api for
removing delay.

Change-Id: Iabdf1e861e0595d5b80256a59c72b9ecccc67013
Signed-off-by: Praveen Kurapati <pkurapat@codeaurora.org>