ARM: dts: msm: re-structure fsm9900 dts files

fsm9900 dts files are re-structured to support variance of platforms for
cdp and mtp.

Change-Id: Id11042d061517f8aa6900f369d4db7df384abbcb
Acked-by: Chemin Hsieh <cheminh@qti.qualcomm.com>
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>