ARM: dts: msm: Remove regulator votes in the compute_dsp TBUs in sdmshrike

Remove the regulator votes in the compute_dsp TBUs
in sdmshrike since votes necessary for the regulators
are taken care by the bus drivers.

Change-Id: I8fb4f24af9bb1b9ad53a08e5e27d6748f4634c2b
Signed-off-by: Swathi Sridhar <swatsrid@codeaurora.org>