[PATCH] r8169: identify the napi version

To tell if driver is configured for NAPI or not, put -NAPI on driver
version. Remove the NAPI printk since the complete version information
is displayed once in the pci probe routine or returned via ethtool.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>