Bluetooth: Clean up hci_core code

Fix errors reported by checkpatch.
- ERROR: spaces required around that ':' (ctx:VxW)
- ERROR: open brace '{' following function declarations go on the next line
Signed-off-by: NPrasanna Karthik <mkarthi3@visteon.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

net/bluetooth/hci_core.c

@@ -64,7 +64,7 @@ static ssize_t dut_mode_read(struct file *file, char __user *user_buf,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y': 'N';
+	buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y' : 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -124,7 +124,7 @@ static ssize_t vendor_diag_read(struct file *file, char __user *user_buf,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y': 'N';
+	buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y' : 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -2600,7 +2600,8 @@ struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance)
 }
 
 /* This function requires the caller holds hdev->lock */
-struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance) {
+struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance)
+{
 	struct adv_info *cur_instance;
 
 	cur_instance = hci_find_adv_instance(hdev, instance);