Bluetooth: btbcm: Add a delay for module reset

Some btbcm devices require more time to complete its reset process.
They won't reply any hci command until reset is done.

[ 17.218554] Bluetooth: hci0 command 0x1001 tx timeout
[ 25.214999] Bluetooth: hci0: BCM: Reading local version info failed (-110)
Signed-off-by: NWen-chien Jesse Sung <jesse.sung@canonical.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/btbcm.c

@@ -178,6 +178,9 @@ static int btbcm_reset(struct hci_dev *hdev)
 	}
 	kfree_skb(skb);
 
+	/* 100 msec delay for module to complete reset process */
+	msleep(100);
+
 	return 0;
 }