msm: ipa3: configure CMD_PROD endpoint

Configure all endpoint registers from the immediate command
producer pipe in IPA. Without this change TAG process is broken.

Change-Id: Ib433a628fd29102c8568769fb9d96870531c7360
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>