linux-wandboard

ethernet: amd: use pr_info_once()

It will use pr_info_one() to print the version info of the
driver in probe function only once. No need to use the static
variable here.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: David S. Miller <davem@davemloft.net>