silabs: drivers: bluetooth: Conditional compiling of optional components

Conditionally compile in controller features based on what features
have been enabled in Kconfig

This commit allow saving in flash size. Over 10k in peripheral_hr
and central_hr. In observer and broadcaster about 20k

Signed-off-by: Petri Pitkanen <[email protected]>

Author: petrip-slab

drivers/bluetooth/hci/hci_silabs_efr32.c

@@ -186,12 +186,25 @@ static int slz_bt_open(const struct device *dev, bt_hci_recv_t recv)
 		goto deinit;
 	}
 
-	sl_btctrl_init_adv();
-	sl_btctrl_init_scan();
-	sl_btctrl_init_conn();
+	if (IS_ENABLED(CONFIG_BT_BROADCASTER) || IS_ENABLED(CONFIG_BT_PERIPHERAL)) {
+		sl_btctrl_init_adv();
+	}
+	if (IS_ENABLED(CONFIG_BT_CENTRAL) || IS_ENABLED(CONFIG_BT_OBSERVER)) {
+		sl_btctrl_init_scan();
+	}
+	if (IS_ENABLED(CONFIG_BT_CONN)) {
+		sl_btctrl_init_conn();
+	}
 	sl_btctrl_init_phy();
-	sl_btctrl_init_adv_ext();
-	sl_btctrl_init_scan_ext();
+
+	if (IS_ENABLED(CONFIG_BT_EXT_ADV)) {
+		if (IS_ENABLED(CONFIG_BT_BROADCASTER) || IS_ENABLED(CONFIG_BT_PERIPHERAL)) {
+			sl_btctrl_init_adv_ext();
+		}
+		if (IS_ENABLED(CONFIG_BT_CENTRAL) || IS_ENABLED(CONFIG_BT_OBSERVER)) {
+			sl_btctrl_init_scan_ext();
+		}
+	}
 
 	ret = sl_btctrl_init_basic(SL_BT_CONFIG_MAX_CONNECTIONS,
 			SL_BT_CONFIG_USER_ADVERTISERS,
@@ -207,8 +220,12 @@ static int slz_bt_open(const struct device *dev, bt_hci_recv_t recv)
 
 	sl_bthci_init_upper();
 	sl_btctrl_hci_parser_init_default();
-	sl_btctrl_hci_parser_init_conn();
-	sl_btctrl_hci_parser_init_adv();
+	if (IS_ENABLED(CONFIG_BT_CONN)) {
+		sl_btctrl_hci_parser_init_conn();
+	}
+	if (IS_ENABLED(CONFIG_BT_BROADCASTER) || IS_ENABLED(CONFIG_BT_PERIPHERAL)) {
+		sl_btctrl_hci_parser_init_adv();
+	}
 	sl_btctrl_hci_parser_init_phy();
 
 #ifdef CONFIG_PM