[nrf noup] Bluetooth: Mesh: Fix adv randomness bug

Fixes issue where randomness can be removed for advertising sets that
have to handle other adv types than the BT_MESH_FRIEND_ADV tag type.

Signed-off-by: Anders Storrø <[email protected]>
Signed-off-by: Aleksandr Khromykh <[email protected]>
Signed-off-by: Dominik Ermel <[email protected]>
(cherry picked from commit 3a212a5)
(cherry picked from commit d46f2ee)

Author: Andrewpini

subsys/bluetooth/mesh/adv_ext.c

@@ -522,8 +522,10 @@ int bt_mesh_adv_enable(void)
 			return err;
 		}
 
-		if (IS_ENABLED(CONFIG_BT_LL_SOFTDEVICE) && adv->tag & BT_MESH_FRIEND_ADV) {
-			err = set_adv_randomness(adv->instance->handle, 0);
+		if (IS_ENABLED(CONFIG_BT_LL_SOFTDEVICE) &&
+		    IS_ENABLED(CONFIG_BT_MESH_ADV_EXT_FRIEND_SEPARATE) &&
+		    advs[i].tags == BT_MESH_ADV_TAG_BIT_FRIEND) {
+			err = set_adv_randomness(advs[i].instance->handle, 0);
 			if (err) {
 				LOG_ERR("Failed to set zero randomness: %d", err);
 			}