ARM: dts: msm: Add support for new qcs407 board for I2S grouping

This change adds a new dts file for supporting additional board
for qcs407 to provide support for I2S grouping.

Change-Id: Ia784e7170f742934cc3c09203de7839329518c36
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>