ieee802154: wpan-phy: use blank line after function

This patch adds a blank line after function declaration.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index fa827c9..1e9795f 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -75,6 +75,7 @@
 {
 	phy->dev.parent = dev;
 }
+
 int wpan_phy_register(struct wpan_phy *phy);
 void wpan_phy_unregister(struct wpan_phy *phy);
 void wpan_phy_free(struct wpan_phy *phy);