ARM: dts: msm: Make latfloor table more lenient on v2

Currently, the latfloor table is too precise, leading to slightly incorrect
behavior. Adjust the entries downward slightly to compensate.

Change-Id: I939901ca2c9cccabb8ee1f3c0cb78f495b1a53e6
Signed-off-by: Jonathan Avila <avilaj@codeaurora.org>