Along with documented security and Safari bug patches, and several undocumented but user-discovered changes to other applications, Apple has updated the iPhone’s software in version 1.0.1 to enhance iPod accessory compatibility. An iPod Hi-Fi menu now appears under Settings, enabling the iPhone to access the same Treble Boost and Bass Boost “Tone Control” settings found on iPods and iPod nanos. This feature, originally designed to…