msm: ipa: allocate pipe #10 for LTE-WIFI AGGR for IPA2.6

The mapping for IPA2.6 has been modified to mark pipe #10 as a
Modem pipe for the purpose of LTE-WIFI AGGR.

Change-Id: I4839dd34857ea464ebe2c4b977847fb70eb87a85
CRs-fixed: 909697
Acked-by: David Arinzon <darinzon@qti.qualcomm.com>
Signed-off-by: Sivan Reinstein <sivanr@codeaurora.org>