Revert "ARM: dts: msm: Enable CPR hardware for msm8226"

This reverts commit 1581afc0771d82ad2092f832e326345170c11f83.

A lot of the stability problems on 8x26 have been linked to incorrect
voltage settings. Disable CPR until these issues phase out and updated
settings are released.

Change-Id: I06d071d6b12e92df1772937a10d2a63b908180d9
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>