ppc4xx: Fix problem with board_eth_init() vs cpu_eth_init() on AMCC boards

Some AMCC eval boards do have a board_eth_init() function calling
pci_eth_init(). These boards need to call cpu_eth_init() explicitly now
with the new eth_init rework.

Signed-off-by: Stefan Roese <sr@denx.de>
4 files changed