ARM: dts: msm: Update LPM parameters and rpm log address

Update low power mode parameters for avoiding stability issues
and update the RPM log dt node with correct physical address.

Change-Id: I39b83c54bfb78fbab1f53c76c0d0389d2fb64bd9
Signed-off-by: Anil kumar mamidala <amami@codeaurora.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>