zedboard中u-boot编译出错

DTC     arch/arm/dts/zynq-zc702.dtb
dtc: invalid option -- 'i'
Usage:
        dtc [options] <input file>

Options:
        -h
                This help text
        -q
                Quiet: -q suppress warnings, -qq errors, -qqq all
        -I <input format>
                Input formats are:
                        dts - device tree source text
                        dtb - device tree blob
                        fs - /proc/device-tree style directory
        -o <output file>
        -O <output format>
                Output formats are:
                        dts - device tree source text
                        dtb - device tree blob
                        asm - assembler source
        -V <output version>
                Blob version to produce, defaults to 17 (relevant for dtb
                and asm output only)
        -d <output dependency file>
        -R <number>
                Make space for <number> reserve map entries (relevant for
                dtb and asm output only)
        -S <bytes>
                Make the blob at least <bytes> long (extra space)
        -p <bytes>
                Add padding to the blob of <bytes> long (extra space)
        -b <number>
                Set the physical boot cpu
        -f
                Force - try to produce output even if the input tree has errors
        -s
                Sort nodes and properties before outputting (only useful for
                comparing trees)
        -v
                Print DTC version and exit
        -H <phandle format>
                phandle formats are:
                        legacy - "linux,phandle" properties only
                        epapr - "phandle" properties only
                        both - Both "linux,phandle" and "phandle" properties
make[2]: *** [arch/arm/dts/zynq-zc702.dtb] Error 3
make[1]: *** [arch-dtbs] Error 2
make: *** [dts] Error 2

在zedboard上编译u-boot时，make指令后出现此错误，请教大神帮助解决，谢谢！

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