All symbols starting with `b' in driverkit/i386

• bootDriverInit driverkit/i386/autoconf_i386.m:601
• BUS_CLASS_KEY driverkit/i386/autoconf_i386.m:100
• BUS_FAMILY driverkit/i386/autoconf_i386.m:102
• BUS_TYPE_KEY driverkit/i386/autoconf_i386.m:99