ipa3: fix suspend sequence for MHI ADPL pipe

Make changes to suspend both the DL pipes (data pipe and ADPL pipe)
whenever MHI pipes are suspended to avoid stale access from IPA HW.

Change-Id: I0592bd92bab1fda4b7a51c7bcd2712f95cec9e6b
Signed-off-by: Chaitanya Pratapa <cpratapa@codeaurora.org>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>