phy: Fix warning due to missing definition of structure
Fix this sort of warning if generic-phy.h is included:
include/generic-phy.h:52:42: warning: ‘struct ofnode_phandle_args’ declared inside parameter list will not be visible outside of this definition or declaration
int (*of_xlate)(struct phy *phy, struct ofnode_phandle_args *args);
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
diff --git a/include/generic-phy.h b/include/generic-phy.h
index 3d26249..947c582 100644
--- a/include/generic-phy.h
+++ b/include/generic-phy.h
@@ -7,6 +7,7 @@
#ifndef __GENERIC_PHY_H
#define __GENERIC_PHY_H
+struct ofnode_phandle_args;
/**
* struct phy - A handle to (allowing control of) a single phy port.