board/[m-p]*: Remove obsolete references to CONFIG_COMMANDS

board/mbx8xx/pcmcia.c

board/mcc200/auto_update.c

board/mcc200/mcc200.c

board/ml2/serial.c

board/mp2usb/mp2usb.c

board/mpl/common/common_util.c

board/mpl/common/common_util.h

board/mpl/vcma9/vcma9.c

board/mpl/vcma9/vcma9.h

board/nc650/nand.c

board/netphone/netphone.c

board/netstar/nand.c

board/netta/netta.c

board/netta/pcmcia.c

board/netta2/netta2.c

board/netvia/netvia.c

board/omap2420h4/omap2420h4.c

board/pcippc2/pcippc2.c

board/pm520/pm520.c

board/pm826/pm826.c