The rtl83xx-phy driver is necessary for proper configuration of the
PHYs if U-Boot hasn't done that.
1000Base-T SFPs often contains a Marvell 88E1111 and will not work
without this driver. Include it by default to support copper SFPs.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
(cherry picked from commit 07bf5aaa4c12d6e7eb797b3871a7586f90a46e67)
037dc6b251