regulator: cpr-regulator: define quotient scaling usage without speed bin

Explicitly define the values to use for the
qcom,cpr-speed-bin-max-corners device tree property in order to
support CPR target quotient scaling when no speed bin fuse is
present.

Change-Id: Ibb7ce486402b0d4a24e4862ccd68d91ad938465e
Signed-off-by: David Collins <collinsd@codeaurora.org>