ARM: dts: msm: Change modem region to 85MB for msm8916

Increase the modem region to 85MB for msm8916 as
modem flavor has changed and memory requirement
has increased to support this modem. Also
correspondingly move peripheral region carveout.

Change-Id: Idc6d59f302fb60df95f90cc04ebb9533e31ced89
Signed-off-by: Susheel Khiani <skhiani@codeaurora.org>