UPSTREAM: 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.

BUG=b:137525452
TEST=
    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>
(Cherry picked from commit 713358c3
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git

)
Change-Id: If0d666537c7bd60ade56649295ae6c52e874fdaa
Signed-off-by: Vamsi Singamsetty <vamssi@codeaurora.org>