1wire: family module autoload fails because of upper/lower case mismatch.

1wire family module autoload fails because of upper/lower
  case mismatch.
Signed-off-by: NIngo Flaschberger <ingo.flaschberger@gmail.com>
Acked-by: NEvgeniy Polyakov <zbr@ioremap.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/w1/w1.c

@@ -751,7 +751,7 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
 
 	/* slave modules need to be loaded in a context with unlocked mutex */
 	mutex_unlock(&dev->mutex);
-	request_module("w1-family-0x%02x", rn->family);
+	request_module("w1-family-0x%02X", rn->family);
 	mutex_lock(&dev->mutex);
 
 	spin_lock(&w1_flock);