qcacmn: Fix compilation errors for softumac target

Fix cfg and monitor APIs compilation error for
softumac based targets.

Change-Id: I6274353a5ebefb25959463c1f642462f8232736c
CRs-Fixed: 3498111

wlan_cfg/wlan_cfg.c

@@ -4036,6 +4036,7 @@ wlan_cfg_soc_attach(struct cdp_ctrl_objmgr_psoc *psoc)
 	wlan_cfg_ctx->txmon_sw_peer_filtering =
 			cfg_get(psoc, CFG_DP_TXMON_SW_PEER_FILTERING);
 	wlan_soc_tx_packet_inspect_attach(psoc, wlan_cfg_ctx);
+	wlan_soc_local_pkt_capture_cfg_attach(psoc, wlan_cfg_ctx);
 	return wlan_cfg_ctx;
 }