ARM: dts: msm: Correct GPU bandwidth voting for MSM8953

Commit 5eca0c93 ("ARM: dts: msm: Update GPU bandwidth voting
for SDM632") updated bandwidth voting for GPU low and min SVS
frequency corner which was not needed for MSM8953.
Change these values to original levels to avoid power impact.

CRs-Fixed: 2292473
Change-Id: Iec4f0dd16b42e3f4906c1642c83a21a9ac26fe6c
Signed-off-by: Archana Sriram <apsrir@codeaurora.org>