board/[d-e]*: Remove obsolete references to CONFIG_COMMANDS

board/dave/PPChameleonEVB/nand.c

board/delta/nand.c

board/esd/ash405/ash405.c

board/esd/cms700/cms700.c

board/esd/common/auto_update.c

board/esd/common/cmd_loadpci.c

board/esd/cpci750/serial.c

board/esd/hh405/hh405.c

board/esd/hub405/hub405.c

board/esd/ocrtc/cmd_ocrtc.c

board/esd/pci405/cmd_pci405.c

board/esd/plu405/plu405.c

board/esd/voh405/voh405.c

board/esd/wuh405/wuh405.c

board/etin/debris/phantom.c

board/evb64260/eth.c

board/evb64260/serial.c

board/evb64260/zuma_pbb.c