net: phylink: Refactor phylink_of_phy_connect()

commit 255762ef9d3968753129e794ba7e211f312bdf3e from
git://source.codeaurora.org/external/qoriq/qoriq-components/linux



Refactor phylink_of_phy_connect() to use phylink_fwnode_phy_connect().

Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: Grant Likely <grant.likely@arm.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
(cherry picked from commit cef7950ee20090d5cc2d2c515ce1d7489ba2038c)
Signed-off-by: Meng Li <Meng.Li@windriver.com>