Bluetooth: controller: Fix bug in LE create conn with filter policy

Fix bug when connecting using whitelist and split controller.
The peer address was set to an all zeroes address.

Bug using shell:
bt init
bt wl-add <addr>
bt wl-connect on
Connected: 00:00:00:00:00:00 (public)

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>

subsys/bluetooth/controller/ll_sw/ull_master.c

@@ -428,12 +428,14 @@ void ull_master_setup(memq_link_t *link, struct node_rx_hdr *rx,
 {
 	u32_t conn_offset_us, conn_interval_us;
 	u8_t ticker_id_scan, ticker_id_conn;
+	u8_t peer_addr[BDADDR_SIZE];
 	u32_t ticks_slot_overhead;
 	u32_t ticks_slot_offset;
 	struct ll_scan_set *scan;
 	struct node_rx_cc *cc;
 	struct ll_conn *conn;
 	struct pdu_adv *pdu_tx;
+	u8_t peer_addr_type;
 	u32_t ticker_status;
 	u8_t chan_sel;
 
@@ -447,12 +449,12 @@ void ull_master_setup(memq_link_t *link, struct node_rx_hdr *rx,
 #if defined(CONFIG_BT_CTLR_PRIVACY)
 	u8_t own_addr_type = pdu_tx->tx_addr;
 	u8_t own_addr[BDADDR_SIZE];
-	u8_t peer_addr[BDADDR_SIZE];
 	u8_t rl_idx = ftr->rl_idx;
 
 	memcpy(own_addr, &pdu_tx->connect_ind.init_addr[0], BDADDR_SIZE);
-	memcpy(peer_addr, &pdu_tx->connect_ind.adv_addr[0], BDADDR_SIZE);
 #endif
+	peer_addr_type = pdu_tx->rx_addr;
+	memcpy(peer_addr, &pdu_tx->connect_ind.adv_addr[0], BDADDR_SIZE);
 
 	/* This is the chan sel bit from the received adv pdu */
 	chan_sel = pdu_tx->chan_sel;
@@ -480,8 +482,8 @@ void ull_master_setup(memq_link_t *link, struct node_rx_hdr *rx,
 #else
 	if (1) {
 #endif /* CONFIG_BT_CTLR_PRIVACY */
-		cc->peer_addr_type = scan->lll.adv_addr_type;
-		memcpy(cc->peer_addr, scan->lll.adv_addr, BDADDR_SIZE);
+		cc->peer_addr_type = peer_addr_type;
+		memcpy(cc->peer_addr, &peer_addr[0], BDADDR_SIZE);
 	}
 
 	cc->interval = lll->interval;