ARM: ux500: Rip out keypad initialisation which is no longer used

This is part of the ux500 conversion over to Device Tree only
booting, but this stuff haven't been used for years.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
3 files changed