[Meego-kernel] [RFC]intel_mid_keypad: Remove Fn key mapping

[jekyll]

Alan:
I found Dmitry didn't think it's a good idea that having a different
Fn key mapping in keypad driver. There is more discussion in the
thread "input: tegra-kbc - Add tegra keyboard driver" which was posted
in linux-input. However, intel_mid_keypad just took the same way to
deal with Fn and Numlock. Shall we remove this function for submitting
to the upstream?

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