phy: rockchip: naneng-combphy: compatible reset with old DT

The device tree of RK3568 did not specify reset-names before.
So add fallback to old behaviour to be compatible with old DT.

Fixes: fbcbffbac994 ("phy: rockchip: naneng-combphy: fix phy reset")
Cc: Jianfeng Liu <[e-mail]>
Signed-off-by: Chukun Pan <[e-mail]>
Reviewed-by: Jonas Karlman <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/rockchip/phy-rockchip-naneng-combphy.c

···
 
 	priv->ext_refclk = device_property_present(dev, "rockchip,ext-refclk");
 
-	priv->phy_rst = devm_reset_control_get(dev, "phy");
+	priv->phy_rst = devm_reset_control_get_exclusive(dev, "phy");
+	/* fallback to old behaviour */
+	if (PTR_ERR(priv->phy_rst) == -ENOENT)
+		priv->phy_rst = devm_reset_control_array_get_exclusive(dev);
 	if (IS_ERR(priv->phy_rst))
 		return dev_err_probe(dev, PTR_ERR(priv->phy_rst), "failed to get phy reset\n");