Fix issue with initializing ssd1306 in rpi.

Change-Id: Id9e7b525dc151418a14668ac87ead7f159219dfe
diff --git a/python/coral-enviro/coral/enviro/board.py b/python/coral-enviro/coral/enviro/board.py
index e964238..ec9955c 100644
--- a/python/coral-enviro/coral/enviro/board.py
+++ b/python/coral-enviro/coral/enviro/board.py
@@ -70,7 +70,7 @@
                                     gpio=pGPIO(), height=32, rotate=2)
         else:
             # Default to RPi.GPIO in luma and defaults GPIO.
-            self._display = ssd1306(serial_interface=spi(),
+            self._display = ssd1306(serial_interface=spi(cs_high=True),
                                     gpio=noop(), height=32, rotate=2)
 
     @property