ARM: dts: msm: remove svs frequencies on msm8952

Remove frequencies lower than 800MHz@little and 960MHz@big.
Experiments done on msm8952 conclude that thermal frequency
throttiling did not go to SVS levels. It was mostly recovering
from NOM levels. Hence removing SVS frequencies.

Change-Id: I65db0d47221b11acb71018b369c13df773a3909f
Signed-off-by: Arun KS <arunks@codeaurora.org>