Adopt the upstream ufs bus voting implementation using
commit <03ce80a1bb8>
("scsi: ufs: qcom: Add support for scaling interconnects").
With this implementation, the Qualcomm's bus voting parameters
are moved to the driver source code. As a result, remove the bus
voting DT entries here.
Change-Id: I6366fe76fba4022cbd97bb757eaac2183274bcd2
Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>