fprintf(stderr,"\t-u\t\t\tupdate checksum of the image\n");
fprintf(stderr,"\t-b\t\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
fprintf(stderr,"\t-e\t\t\textract files in firmware\n");
fprintf(stderr,"\t-u\t\t\tupdate checksum of the image\n");
fprintf(stderr,"\t-b\t\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
fprintf(stderr,"\t-e\t\t\textract files in firmware\n");