linux-custom: 3.11-rc7

- Enable dynamic debug
- Enable experimental Logitech Wireless Touchpad module (WTP)
  (https://git.lekensteyn.nl/peter/linux/log/?h=logitech-wtp)
- Drop hid-logitech-dj revert patch, cannot reproduce bug with it.
upower: 0.9.22-0.1 (pre-release)