Merge with testing-4xx_enet (Create generic 4xx Ethernet code)

MAKEALL

board/amcc/bamboo/u-boot.lds

board/amcc/bubinga/u-boot.lds

board/amcc/ebony/u-boot.lds

board/amcc/ocotea/ocotea.c

board/amcc/ocotea/u-boot.lds

board/amcc/walnut/u-boot.lds

board/amcc/yellowstone/u-boot.lds

board/amcc/yosemite/u-boot.lds

board/cray/L1/u-boot.lds

board/csb272/csb272.c

board/csb272/u-boot.lds

board/csb472/csb472.c

board/csb472/u-boot.lds

board/dave/PPChameleonEVB/u-boot.lds

board/eric/u-boot.lds

board/esd/apc405/u-boot.lds

board/esd/ar405/u-boot.lds

board/esd/ash405/u-boot.lds

board/esd/canbt/u-boot.lds