ath10k: enable pktlog for WCN3990 target

WCN3990 target uses separate htc service for pktlog.
Add pktlog service request and support for pktlog
rx path handling.

Testing:
    Tested on WCN3990 and QCA6174 HW.
    Tested FW: WLAN.HL.2.0-01192-QCAHLSWMTPLZ-1,
               WLAN.RM.4.4.1-00109-QCARMSWPZ-1

Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>