Bluetooth: Add new debugfs parameter

With this patch it is possible to control discovery interleaved
timeout value from debugfs.

It is for fine tuning of this timeout.

Signed-off-by: Lukasz Rymanowski <lukasz.rymanowski@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 944c4fc..b34e13a 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -3372,7 +3372,7 @@
 		break;
 
 	case DISCOV_TYPE_INTERLEAVED:
-		timeout = msecs_to_jiffies(DISCOV_INTERLEAVED_TIMEOUT);
+		timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
 		break;
 
 	case DISCOV_TYPE_BREDR: