ARM: dts: msm: enable usage of Tethering bridge driver on titanium

Make changes to IPA DT entry to enable the use of Tethering
bridge driver for titanium target.

Change-Id: Id37566a8c791e8ac8506586d35fbfdd474c5979a
Acked-by: Chaitanya Pratapa <cpratapa@qti.qualcomm.com>
Signed-off-by: Ravinder Konka <rkonka@codeaurora.org>