fix omap4 cpufreq dtsi

Taken from
https://github.com/nmenon/linux-2.6-playground/commit/68618ac6dab9cc0a9af9de88f84a83603ecbbb59

Signed-off-by: Mike Turquette <mturquette@linaro.org>
HACK: add some debug to cpufreq-cpu0
cpufreq: schedpower: allow as default governor

Signed-off-by: Mike Turquette <mturquette@linaro.org>
debug
debug-fixup
move FREQ_STEP from 200 to 50
wip