msm: ipa3: Remove state update in wait for completion

When there is pending interrupt for a channel we continue
in that loop. So, no need for updating state to in-Progress
for continuing in loop again.

Change-Id: I1a6e3b2bc82795099ee3bf6af111e903889db96e
Acked-by: Praveen Kurapati <pkurapat@qti.qualcomm.com>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>