ARM: dts: msm: remove governor for video on lito

Devfreq governors have been replaced with internal
handling. New entry qcom,mode decides how the BW
is calculated. OPP tables are not required.

Change-Id: I077ee30789a0c33aa4d8822d925fa517ca30e7e0
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>