ARM: dts: msm: Update memory map of msm8939

Update memory map of msm8939 to latest available version
(v3).

As the updated memory map removes venus region, club venus
region with qseecom for better optimization as done for
msm8916.

CRs-fixed: 677360
Change-Id: Ib92b3f3f0482f8fa9cc273ec51bda3dc540db00a
Signed-off-by: Susheel Khiani <skhiani@codeaurora.org>