ARM: dts: msm: Add new platforms for SM6150 SoC

Add below platforms supported with SM6150 SoC:
1. SM6150 IDP with external audio codec.
2. Sm6150 IDP with Audio over USB type C.

Change-Id: Idc9e231585c480505d8991b49ebf5b6344a18386
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>