Adding new setting to System Settings <Accessory Power Supply -- off by default). This setting can be used to enable/disable the power supply for accessories. With this commit implemented for iPods with PCF50605 power controller.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17193 a1c6a512-1295-4272-9138-f99709370657
16 files changed