ARM: Disable unaligned instructions due to unexplanable unaligned exceptions

There's a bug where when unaligned access was enabled and with compiler
generating unaligned instructions, unaligned exception was occurring.  This
shouldn't happen but it did.  So disable for now until further analysis.

Signed-off-by: Paul Reioux <reioux@gmail.com>
drivers/cpufreq/cpufreq_intelliactive.c: GCC 4.9.x warning fix up

Signed-off-by: Paul Reioux <reioux@gmail.com>
intelliactive: rework input register/unregister

Signed-off-by: Paul Reioux <reioux@gmail.com>
intelliactive: tune for MT6589 devices