Updated tokens for ARB_depth_buffer_float (issue [#585])

Source/Bind/Specifications/GL2/enumext.spec

@@ -6383,5 +6383,12 @@ GetTextureParameter enum:
 	use ARB_framebuffer_object	    TEXTURE_LUMINANCE_TYPE
 	use ARB_framebuffer_object	    TEXTURE_INTENSITY_TYPE
 	use ARB_framebuffer_object	    TEXTURE_DEPTH_TYPE
+
+
+# Promoted from ARB_depth_buffer_float
+PixelType enum:
+	use ARB_depth_buffer_float	    FLOAT_32_UNSIGNED_INT_24_8_REV
+
+
 	
 # End (don't remove, or the last token may be missed!)

Source/OpenTK/Graphics/GL/GLEnums.cs

@@ -1540,6 +1540,7 @@ namespace OpenTK.Graphics
         UnsignedInt8888Reversed = ((int)0X8367),
         UnsignedInt2101010Reversed = ((int)0X8368),
         UnsignedInt248 = ((int)0X84fa),
+        Float32UnsignedInt248Rev = ((int)0X8Dad),
     }
 
     public enum PointParameterNameSgis