Bluetooth: Use %llu for printing duration details of selftests

The duration variable for the selftests is unsigned long long and with
that use %llu instead of %lld when printing the results.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

net/bluetooth/selftest.c

@@ -184,7 +184,7 @@ static int __init test_ecdh(void)
 	delta = ktime_sub(rettime, calltime);
 	duration = (unsigned long long) ktime_to_ns(delta) >> 10;
 
-	BT_INFO("ECDH test passed in %lld usecs", duration);
+	BT_INFO("ECDH test passed in %llu usecs", duration);
 
 	return 0;
 }

net/bluetooth/smp.c

@@ -3387,7 +3387,7 @@ static int __init run_selftests(struct crypto_blkcipher *tfm_aes,
 	delta = ktime_sub(rettime, calltime);
 	duration = (unsigned long long) ktime_to_ns(delta) >> 10;
 
-	BT_INFO("SMP test passed in %lld usecs", duration);
+	BT_INFO("SMP test passed in %llu usecs", duration);
 
 	return 0;
 }