Bluetooth: Introduce HCI_ADVERTISING_INSTANCE setting and add AD flags

This patch introduces the HCI_ADVERTISING_INSTANCE setting, which is set
when an at least one advertising instance has been added using the
"Add Advertising" mgmt command. This patch also adds a macro definition
for the EIR_APPEARANCE field type.

Signed-off-by: Arman Uguray <armansito@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/hci.h

@@ -227,6 +227,7 @@ enum {
 	HCI_LE_ENABLED,
 	HCI_ADVERTISING,
 	HCI_ADVERTISING_CONNECTABLE,
+	HCI_ADVERTISING_INSTANCE,
 	HCI_CONNECTABLE,
 	HCI_DISCOVERABLE,
 	HCI_LIMITED_DISCOVERABLE,
@@ -465,6 +466,7 @@ enum {
 #define EIR_SSP_HASH_C		0x0E /* Simple Pairing Hash C */
 #define EIR_SSP_RAND_R		0x0F /* Simple Pairing Randomizer R */
 #define EIR_DEVICE_ID		0x10 /* device ID */
+#define EIR_APPEARANCE		0x19 /* Device appearance */
 #define EIR_LE_BDADDR		0x1B /* LE Bluetooth device address */
 #define EIR_LE_ROLE		0x1C /* LE role */
 #define EIR_LE_SC_CONFIRM	0x22 /* LE SC Confirmation Value */