data-kernel: EMAC: Fix completion event for clock enable

Clock enable completion event is used only in intr mode.
Fix the warnings in enable/disable irq for wol.
Add the PHY pm_wakeup_event in interrupt handler.

CRs-Fixed: 2327922
Acked-by: Rahul Kawadgave <rahulak@qti.qualcomm.com>
Signed-off-by: Sunil Paidimarri <hisunil@codeaurora.org>

Change-Id: I0c219c88a392bbf848e41ee6796f38382907510d