Move process_sw_event API to pktlog_wifi2.c file as
it is only applicable to legacy product line.
Change-Id: I8eee102ea2eb70c0ffcec4ac20dfdf6ef48bca5b
CRs-Fixed: 2585613
Move pktlog hardware dependent API's from pktlog_internal.c
to pktlog_wifi3.c as they are hardware dependent.
Change-Id: I421b3116a35e735a51c82839005bbc2d4cb138d7
CRs-Fixed: 2585613