ARM: dts: msm: Add Initial device tree support for qcs405

Add device tree support to boot with bare minimum functionality.
As of now kernel timer, serial debug console, cpu map are available.

Change-Id: Id6fe35855b72ae5590a817d2a46240112b454bcd
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>