ARM: dts: msm: Move actuator voltage regulator msm8926

Moving actuator regulator property declaration
from sensor driver to actuator node for msm8926.

Change-Id: I12a8834e78d3836768a8529f8b6403cf8156e1a2
Signed-off-by: Evgeniy Borisov <eborisov@codeaurora.org>