Remove debug printk().
Signed-off-by: John Jacques <john.jacques@lsi.com>
Handle the baud rate correctly, and use the PLLs provided by U-Boot
to set up the clocks.
Support for the new BCM 5221 phy.

Use a dsb instead of the dmb() macro after updating memory
before sending a packet.
Signed-off-by: John Jacques <john.jacques@lsi.com>