ARM: dts: msm: Update gpu cooling device vdd restriction vote for sdm670

Currently for gpu cold temperature vdd restriction, it requests
NOM frequency as per clock plan. But in target gpu clock is
enabled upto SVS L1 frequency.

Update gpu cooling device vdd restriction vote based on actual
frequency table enabled on target for sdm670.

Change-Id: I11aea865e066c1da8eb31903b2e5901d28493050
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>