net: phylink: pass PHY into phylink_validate_mask()

Pass the phy (if any) into phylink_validate_mask() so that we can
validate each interface with its rate matching setting.

Tested-by: Luo Jie <quic_luoj@quicinc.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/E1r6VIL-00DDM3-HJ@rmk-PC.armlinux.org.uk


Signed-off-by: Jakub Kicinski <kuba@kernel.org>