rigol-ds1xx2: fix delay time.

hardware/rigol-ds1xx2/api.c

@@ -186,7 +186,7 @@ static int set_cfg(const struct sr_dev_inst *sdi, const char *format, ...)
 	/* When setting a bunch of parameters in a row, the DS1052E scrambles
 	 * some of them unless there is at least 100ms delay in between. */
 	sr_spew("delay %dms", 100);
-	g_usleep(100);
+	g_usleep(100000);
 
 	return SR_OK;
 }