i3c: i3c-master-qcom-geni: Support for OD,PUSH-PULL mode frequency switch

This change is to support both OD,PUSH-PULL mode frequency upto 12.5 Mhz.
Also to make use of same source frequency during both the operations.

Change-Id: I48ecd4a48f11de466b8b15d8454b8e7e8acc6825
Signed-off-by: Subramanian Ananthanarayanan <skananth@codeaurora.org>