Fix some missing commands, cleanup header files

CHANGELOG

board/evb64260/eth.c

board/exbitgen/u-boot.lds

board/hymod/bsp.c

board/siemens/pcu_e/pcu_e.c

board/sl8245/Makefile

board/sl8245/u-boot.lds

board/w7o/cmd_vpd.c

common/cmd_autoscript.c

common/cmd_bmp.c

common/cmd_boot.c

common/cmd_fat.c

common/cmd_fpga.c

common/cmd_ide.c

common/cmd_load.c

common/cmd_mmc.c

common/cmd_nand.c

common/cmd_net.c

common/cmd_portio.c

common/cmd_scsi.c