clk: qcom: dispcc-sdm845: Update the clock flags for the byte div clocks

The mdss_byte divider clocks should not be allowed to scale their
parent clock sources. Remove their flag property to that effect.

Change-Id: I3530d92783ad3680749b336314fac897ff0137a4
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>