m1/torture/: quick and dirty power-cycling test loop

m1/torture/loop

@@ -0,0 +1,17 @@
+#!/bin/sh
+n=0
+while true; do
+	n=`expr $n + 1`
+	echo ===== $n =====
+
+	labsw ch1=0 ch2=0
+	sleep 5
+	labsw ch1=1 ch2=1
+	sleep 2
+
+	make -C ../jtag-boot boot
+
+	sleep 60
+	echo echo === $n === `date` >/dev/ttyUSB0
+	sleep 10
+done