R36.4.3 l4t_initrd_flash.sh error

Reference URL (R36.4.3 l4t_initrd_flash.sh --no-flash 烧录问题)
use chkbdinfo
BOARDID=3701
BOARDSKU=0005
FAB=501
BOARDREV=G.0
CHIP_SKU=00:00:00:D0
RAMCODE_ID=00:00:00:03
RAMCODE=3