client: Print AD Data and Discoverable once registered

This prints both Data and Discoverable if advertise command succeeds:

[bluetooth]# advertise.data 0x26 0x01 0x00
[bluetooth]# advertise.discoverable on
[bluetooth]# advertise on
Advertising object registered
Data Type: 0x26
  01 00                                            ..
Tx Power: off
Name: off
Apperance: off
Discoverable: on
diff --git a/client/advertising.c b/client/advertising.c
index cb0ca4a..8abf478 100644
--- a/client/advertising.c
+++ b/client/advertising.c
@@ -164,6 +164,11 @@
 						ad.manufacturer.data.len);
 	}
 
+	if (ad.data.data.len) {
+		bt_shell_printf("Data Type: 0x%02x\n", ad.data.type);
+		bt_shell_hexdump(ad.data.data.data, ad.data.data.len);
+	}
+
 	bt_shell_printf("Tx Power: %s\n", ad.tx_power ? "on" : "off");
 
 	if (ad.local_name)
@@ -179,6 +184,8 @@
 		bt_shell_printf("Apperance: %s\n",
 					ad.appearance ? "on" : "off");
 
+	bt_shell_printf("Discoverable: %s\n", ad.discoverable ? "on": "off");
+
 	if (ad.duration)
 		bt_shell_printf("Duration: %u sec\n", ad.duration);