ppc4xx: Add support for GPCS, SGMII and M88E1112 PHY

This patch adds GPCS, SGMII and M88E1112 PHY support
for the AMCC PPC460GT/EX processors.

Signed-off-by: Victor Gallardo <vgallardo@amcc.com>
Signed-off-by: Stefan Roese <sr@denx.de>
3 files changed