msm: camera: cpas: Use turbo requested freq is higher

Use TURBO vote for ahb if clients requests ahb vote with
freq higher than the clock freq supported by that device.
opp_find_freq_ceil api fails if called with freq higher
than what that device supports, use turbo in such cases.

Change-Id: I146a01e77c459341396ef6df5dc1ff5286fea808
Signed-off-by: Pavan Kumar Chilamkurthi <pchilamk@codeaurora.org>