CONFIG_HAVE_NET_MACB (not configurable)

configname: CONFIG_HAVE_NET_MACB

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>HAVE_NET_MACB
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  

is selected by
CONFIG_MACB