Update comments in touch screen init example

Author: sfe-SparkFro

examples/cv2_hardware_init/touch_screen.py

@@ -1,12 +1,12 @@
-# Import the machine module to access hardware features
-from .bus_i2c import i2c
+# Initializes a touch screen object. Multiple options are provided below, so you
+# can choose one that best fits your needs. You may need to adjust the arguments
+# based on your specific touch screen and board configuration
 
 # Import the OpenCV touch screen drivers
 from cv2_drivers.touch_screens import *
 
-# Create a touch screen object. Multiple options are provided below, so you can choose
-# one that best fits your needs. You may need to adjust the arguments based on
-# your specific touch screen and board configuration
+# Import the I2C bus
+from .bus_i2c import i2c
 
 ################################################################################
 # CST816