data-kernel: EMAC: Fix PTP clock enablement

PTP clock get,put,enable,disable is handle seperately.
Fix the broken functionality due to merge.
Fix the interrupt moderation value for UDP IP PTP packets.

Change-Id: I335e83b599df25fd1b9f1e85a46100e6f4240a58
CRs-Fixed: 2293623
Acked-by: Rahul Kawadgave <rahulak@qti.qualcomm.com>
Signed-off-by: Sunil Paidimarri <hisunil@codeaurora.org>