platform: msm_shared: Add support for V2 DTB format

Add support for V2 DTB format parsing for appended DTB
and also one DTB can contain multiple platform ids, add
support to parse all the platform Ids from the dtb.

CRs-Fixed: 538429
Change-Id: I771aa090615154fb6a6a08f7e62a6c6b3c9e0970
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
2 files changed