ARM: dts: msm: Update APC MEM ACC settings for 8937

Update MEM ACC register settings for all the operating corners
as per HW team recommendation.

CRs-Fixed: 927184
Change-Id: I22a4b9778dad75d56325b0e70eb3b21844bca126
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>