update fourwire references

Author: FoamyGuy

README.rst

@@ -64,6 +64,7 @@ Usage Example
     import board
     import busio
     import displayio
+    import fourwire
     import adafruit_ssd1322
 
     displayio.release_displays()
@@ -74,7 +75,7 @@ Usage Example
     tft_dc = board.D9
     tft_reset = board.D5
 
-    display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs,
+    display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs,
                                      reset=tft_reset, baudrate=1000000)
     time.sleep(1)
     display = adafruit_ssd1322.SSD1322(display_bus, width=256, height=64, colstart=28)

examples/ssd1322_gamma.py

@@ -6,6 +6,7 @@
 import board
 import busio
 import displayio
+import fourwire
 
 import adafruit_ssd1322
 
@@ -17,7 +18,7 @@
 tft_dc = board.D9
 tft_reset = board.D5
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=tft_dc, chip_select=tft_cs, reset=tft_reset, baudrate=1000000
 )
 time.sleep(1)

examples/ssd1322_simpletest.py

@@ -6,6 +6,7 @@
 import board
 import busio
 import displayio
+import fourwire
 
 import adafruit_ssd1322
 
@@ -17,7 +18,7 @@
 tft_dc = board.D9
 tft_reset = board.D5
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=tft_dc, chip_select=tft_cs, reset=tft_reset, baudrate=1000000
 )
 time.sleep(1)