Bluetooth: Use lmp_sniff_capable where applicable

This patch replaces all LMP_SNIFF bit checking by the helper macro
lmp_sniff_capable.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 5c71c85..eb9024a 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -627,7 +627,7 @@
 		link_policy |= HCI_LP_RSWITCH;
 	if (hdev->features[0] & LMP_HOLD)
 		link_policy |= HCI_LP_HOLD;
-	if (hdev->features[0] & LMP_SNIFF)
+	if (lmp_sniff_capable(hdev))
 		link_policy |= HCI_LP_SNIFF;
 	if (hdev->features[1] & LMP_PARK)
 		link_policy |= HCI_LP_PARK;