[U-Boot] build uboot.rom for minnow

[Hariharan A]

Hi,
        I have followed steps in the readme.x86 to build Uboot.rom for minnowboard. but i got a error message as:
 CHK     include/config/uboot.release
  CHK     include/generated/version_autogenerated.h
  CHK     include/generated/timestamp_autogenerated.h
  UPD     include/generated/timestamp_autogenerated.h
  CHK     include/generated/generic-asm-offsets.h
  CHK     include/generated/asm-offsets.h
  HOSTCC  tools/mkenvimage.o
  HOSTLD  tools/mkenvimage
  HOSTCC  tools/fit_image.o
  HOSTCC  tools/image-host.o
  HOSTCC  tools/dumpimage.o
  HOSTLD  tools/dumpimage
  HOSTCC  tools/mkimage.o
  HOSTLD  tools/mkimage
  HOSTLD  tools/fit_info
  HOSTLD  tools/fit_check_sign
  CC      cmd/version.o
  LD      cmd/built-in.o
  CC      common/main.o
  CC      common/board_f.o
  LD      common/built-in.o
  CC      lib/efi_loader/helloworld.o
  LD      lib/efi_loader/helloworld.so
  OBJCOPY lib/efi_loader/helloworld.efi
  CC      lib/smbios.o
  CC      lib/display_options.o
  LD      lib/built-in.o
  LD      u-boot
  OBJCOPY u-boot.srec
  OBJCOPY u-boot-nodtb.bin
  CAT     u-boot-dtb.bin
  COPY    u-boot.bin
  SYM     u-boot.sym
  OBJCOPY u-boot-x86-16bit.bin
  BINMAN  u-boot.rom
fdtput: invalid option -- 'd'
Usage: write a property value to a device tree
    fdtput <options> <dt file> <node> <property> [<value>...]
    fdtput -c <options> <dt file> [<node>...]

The command line arguments are joined together into a single value.
<type>    s=string, i=int, u=unsigned, x=hex
    Optional modifier prefix:
        hh or b=byte, h=2 byte, l=4 byte (default)

Options: -[cpt:vhV]
  -c, --create     Create nodes if they don't already exist
  -p, --auto-path  Automatically create nodes as needed for the node path
  -t, --type <arg> Type of data
  -v, --verbose    Display each value decoded from command line
  -h, --help       Print this help and exit
  -V, --version    Print version and exit

Error: unknown option
binman: Error running 'fdtput ./u-boot-dtb-with-ucode.dtb -d /microcode/update at 0 data'
make: *** [u-boot.rom] Error 1


Please do help.

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