Fix 'normal' special effect

Author: jepler

adafruit_ov5640.py

@@ -625,7 +625,7 @@
 OV5640_SPECIAL_EFFECT_SEPIA = 6
 
 _sensor_special_effects = [
-    [0x06, 0x40, 0x2C, 0x08],  # Normal
+    [0x06, 0x40, 0x10, 0x08],  # Normal
     [0x46, 0x40, 0x28, 0x08],  # Negative
     [0x1E, 0x80, 0x80, 0x08],  # Grayscale
     [0x1E, 0x80, 0xC0, 0x08],  # Red Tint