ARM: dts: msm: Correct DCVS MB/sec load low values for msm8953

With existing load low for UHD 30fps encoder session venus clock
always voting to turbo and true 4k 24fps voting NOM+ frequencies.
Correct video encode DCVS load low values to toggle UHD 30fps
between turbo/NOM+ and true 4k 24fps between NOM+/NOM.

CRs-Fixed: 992607
Change-Id: I28cb83bdf81b7efcd0910835aaab30607104f3ac
Signed-off-by: Srinu Gorle <sgorle@codeaurora.org>