ARM: dts: msm: Update BCL thresholds for MSM8994

Update the BCL current thresholds, voltage thresholds,
frequency mitigation value and the hotplug configuration
as per the latest recommendation.

Change-Id: I57edef2a8fd318af4331d11614ee180ea73b0689
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>