This fixes
ERROR: "fixed_phy_register" [drivers/net/ethernet/broadcom/bgmac.ko] undefined!

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44954 3c298f89-4303-0410-b956-a3cf2f4a3e73