ARM: dts: msm: Add IPA device configuration for SM6150

The required configuration to support new IPA HW
version 4.2 on SM6150 target.

Change-Id: I0625e87d93445e8ece89343d76a8aafbc35d2f90
Acked-by: Ashok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>