net: phy: make phy_package a separate module

Make phy_package a separate module, so that this code is only loaded
if needed.

Signed-off-by: Heiner Kallweit <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/phy/Makefile

···
 
 libphy-y			:= phy.o phy-c45.o phy-core.o phy_device.o \
 				   linkmode.o phy_link_topology.o \
-				   phy_package.o phy_caps.o mdio_bus_provider.o
+				   phy_caps.o mdio_bus_provider.o
 mdio-bus-y			+= mdio_bus.o mdio_device.o
 
 ifdef CONFIG_PHYLIB
···
 obj-$(CONFIG_PHYLINK)		+= phylink.o
 obj-$(CONFIG_PHYLIB)		+= libphy.o
 obj-$(CONFIG_PHYLIB)		+= mdio_devres.o
+obj-$(CONFIG_PHYLIB)		+= phy_package.o
 
 obj-$(CONFIG_NETWORK_PHY_TIMESTAMPING) += mii_timestamper.o
 

drivers/net/phy/phy_package.c

···
 	return ret;
 }
 EXPORT_SYMBOL_GPL(devm_of_phy_package_join);
+
+MODULE_DESCRIPTION("PHY package support");
+MODULE_LICENSE("GPL");