esp32: Fix.

Author: Vincent1-python

ports/esp32/machine_touchpad.c

@@ -58,9 +58,10 @@ typedef struct _mtp_obj_t {
     int touchpad_id;
 #endif
 } mtp_obj_t;
+
 #if SOC_TOUCH_SENSOR_VERSION == 3
-static touch_sensor_handle_t  s_sens_handle = NULL;
-static touch_channel_handle_t s_chan_handle[15] = {};
+touch_sensor_handle_t  s_sens_handle = NULL;
+touch_channel_handle_t s_chan_handle[15] = {};
 uint32_t benchmark[14] = {};
 int i;
 #endif