ARM: dts: msm: Fix for enabling cpufreq for MSM8939

Disable the frequenceis voted by SR2 PLL for little
cluster and cci. This will enable the frequency scaling
for both clusters.

Change-Id: I24028225ecf13cc9171d6284963796f7e3343778
Signed-off-by: Hanumath Prasad <hpprasad@codeaurora.org>