loadtools: Mot C155 turns out to have the same flash partition quirks as the flash chip on TI's D-Sample c155.config changed to use the fixed 28f640w30b config instead of CFI, and a bit of C code in fc-loadtool had to be changed too so that flash erase-program-boot still works.

/*
 * This module contains the set_serial_nonblock() function.
 */

#include <sys/types.h>
#include <sys/ioctl.h>
#include <unistd.h>

extern int target_fd;

set_serial_nonblock(state)
	int state;
{
	ioctl(target_fd, FIONBIO, &state);
}