That's to let Attansic Gigabit Ethernet L1 users to use the network just out-of-the-box.
What is the CONFIG_* option for it.
*** Bug 211815 has been marked as a duplicate of this bug. ***
Quite easy ;) CONFIG_ATL1=m
Easy enough... thanks for the bug report! I've added this to the kernel config for 2008.0 Beta 2.