qcacmn: Refactor compilation flag of pkt capture mode

Refactor WLAN_FEATURE_PKT_CAPTURE_LITHIUM to WLAN_FEATURE_PKT_CAPTURE_V2
to remove hardware name from compilation flag.

Change-Id: I5a30b33d8bd6065d12e7c89c666c2f0cab66344e
CRs-Fixed: 2869827

dp/wifi3.0/dp_tx.c

@@ -3897,7 +3897,7 @@ static inline void dp_tx_sojourn_stats_process(struct dp_pdev *pdev,
 }
 #endif
 
-#ifdef WLAN_FEATURE_PKT_CAPTURE_LITHIUM
+#ifdef WLAN_FEATURE_PKT_CAPTURE_V2
 /**
  * dp_send_completion_to_pkt_capture() - send tx completion to packet capture
  * @soc: dp_soc handle