Add optional double-banking support to the Device mode Class Drivers, on a per-endpoint, per-interface level.

Demos/Device/ClassDriver/MassStorage/MassStorage.c

@@ -44,15 +44,17 @@ USB_ClassInfo_MS_Device_t Disk_MS_Interface =
 	{
 		.Config =
 			{
-				.InterfaceNumber        = 0,
+				.InterfaceNumber           = 0,
 
-				.DataINEndpointNumber   = MASS_STORAGE_IN_EPNUM,
-				.DataINEndpointSize     = MASS_STORAGE_IO_EPSIZE,
+				.DataINEndpointNumber      = MASS_STORAGE_IN_EPNUM,
+				.DataINEndpointSize        = MASS_STORAGE_IO_EPSIZE,
+				.DataINEndpointDoubleBank  = false,
 
-				.DataOUTEndpointNumber  = MASS_STORAGE_OUT_EPNUM,
-				.DataOUTEndpointSize    = MASS_STORAGE_IO_EPSIZE,
+				.DataOUTEndpointNumber     = MASS_STORAGE_OUT_EPNUM,
+				.DataOUTEndpointSize       = MASS_STORAGE_IO_EPSIZE,
+				.DataOUTEndpointDoubleBank = false,
 
-				.TotalLUNs              = TOTAL_LUNS,
+				.TotalLUNs                 = TOTAL_LUNS,
 			},
 	};