linux/phy.h: add phydev_err_probe() wrapper for dev_err_probe()

The dev_err_probe() function is quite useful to avoid boilerplate
related to -EPROBE_DEFER handling. Add a phydev_err_probe() helper to
simplify making use of that from phy drivers which otherwise use the
phydev_* helpers.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

include/linux/phy.h

@@ -1539,6 +1539,9 @@ static inline void phy_device_reset(struct phy_device *phydev, int value)
 #define phydev_err(_phydev, format, args...)	\
 	dev_err(&_phydev->mdio.dev, format, ##args)
 
+#define phydev_err_probe(_phydev, err, format, args...)	\
+	dev_err_probe(&_phydev->mdio.dev, err, format, ##args)
+
 #define phydev_info(_phydev, format, args...)	\
 	dev_info(&_phydev->mdio.dev, format, ##args)