ARM: dts: msm: Align memory map of msm8916 to latest version

Update and align msm8916 memory map to latest version (v13).
As the updated memory map removes venus region, club venus
region with qseecom for better optimization. Also limit this
new region within 256MB so as to please TZ restrictions on
venus firmware range.

CRs-fixed: 657970
Change-Id: I0033099900dd5b839c41eca04822e67686a348d2
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>