msm: ipa: set IPA_ENDP_STATUS to 0 for IPA BAM2BAM pipes

When a BAM2BAM end-point is configured via IPA core
driver, the ENDP_STATUS register needs to be initialized
to 0.

Change-Id: Ide1490da3cd0190c1f8f3da2f60c4d570336fbe1
CRs-fixed: 775498
Acked-by: David Arinzon <darinzon@qti.qualcomm.com>
Signed-off-by: Sivan Reinsten <sivanr@codeaurora.org>