Revert "msm: camera: isp: Change voting logic to support new ports in sdmmagpie"

This reverts commit e9e13063.Required for
making changes to bw voting in vfe which provides only one cpas handle
per client hw.

Change-Id: I7230a7dca197479fc28aed307c3c9a2a1b74d327
Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>