clocking-wizard: Support higher frequency accuracy

Change the multipliers and divisors to support a higher
frequency accuracy if there is only one output.
Currently only O is changed now we are changing M, D and O.
For multiple output case the earlier behavior is retained.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Link: https://lore.kernel.org/r/20230327062637.22237-1-shubhrajyoti.datta@amd.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>