PCIE Jetson AGX Industrial Flash board name

we are using P2822 Carrier Card, which comes with P2972 Development kit mounted to the brought out Jetson AGX Xavier-Industrial(SOM). To make it as endpoint Im flashing the file after requried changes mention in PCIE endpoint guide.

In Command: sudo ./flash mmcblk0p1

what .confg I have to use to flash the file

I have used but i has stopped after sometime at tegrarcm_v2 --isapplet