ARM: dts: Use common dts for 64 or 32 build

Create soft link for 32 build qcom dts so to make common dts folder
for 64 and 32 build.

Change-Id: Id72b028a6daf8eef7874ddc0e968ab4dd602c4cb
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>