fix for -lsys assert(): call panic()
fix for -lsys assert(): call panic()

	. call panic() instead of abort() so that stacktraces are printed
	. also call printf(..) instead of fprintf(stderr, ..)

veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi