drivers/net/jme: Use pr_<level>

Add #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Convert jeprintk to pr_err
Remove jeprintk macro define
Remove periods from end of logging messages
Coalesce format strings

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>