arm64: defconfig: Enable Broadcom BCM54140 PHY

Enable support for the QuadPHY on the Kontron K-Box A-230-LS. Enable
the driver as a module.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
1 file changed