Refactored Host mode Class Driver *_Host_ConfigurePipes() routines to be more space efficient when compiled.

Added new *_ENUMERROR_PipeConfigurationFailed error codes for the *_Host_ConfigurePipes() routines.

LUFA/Drivers/USB/Class/Device/MassStorage.c

@@ -102,7 +102,7 @@ bool MS_Device_ConfigureEndpoints(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
 		}
 
 		if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
-										 DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+		                                 DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
 		{
 			return false;
 		}