Bluetooth: hci_core: increase max adv inst

Now that all preconditions are present for actual multi-advertising, the
number of allowed advertising instances can be larger than one. This
patch increases the number of allowed advertising instances to 5.

Signed-off-by: Florian Grandel <fgrandel@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/hci_core.h

@@ -169,7 +169,7 @@ struct adv_info {
 	__u8	scan_rsp_data[HCI_MAX_AD_LENGTH];
 };
 
-#define HCI_MAX_ADV_INSTANCES		1
+#define HCI_MAX_ADV_INSTANCES		5
 #define HCI_DEFAULT_ADV_DURATION	2
 
 #define HCI_MAX_SHORT_NAME_LENGTH	10