msm: ipa: disable status for WAN_PROD on SSR

Disable status for WAN_PROD pipe as part of SSR
cleanup to make sure all status packets to modem are dropped.

Change-Id: I2bfee024fc7ca664ea2aa1b1cb7a7491cb6e00e8
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>