ARM: dts: msm: Correct the CX "init-voltage" property for lito

Currently the CX regulator init voltage property is mentioned as
"regulator-init-voltage-level", which is incorrect. Fix it by
modifying it to "qcom,init-voltage-level".

Change-Id: Ibb8b840f7a6d01a8e852db33181ce4b4f8371cc9