Added sysfs to force phone into user selectable pogo dock modes when pogo GPIO detection fails. Useful for homemade pogo docks or touchstone charging mods.  Enable/Disable: (Default) Disable: echo 0 > /sys/kernel/dock_mode/force_dock_mode Enable: echo 1 > /sys/kernel/dock_mode/force_dock_mode  Dock Mode: (Default) Desk Dock: echo 0 > /sys/kernel/dock_mode/dock_mode Car Dock: echo 1 > /sys/kernel/dock_mode/dock_mode  Charge Mode: (Default) AC/FastCharge: echo 0 > /sys/kernel/dock_mode/charge_mode USB: echo 1 > /sys/kernel/dock_mode/charge_mode