Many boards share the cpufreq-cpu0 driver meaning that if we enable it in
multi_v7_defconfig we can get a reasonable amount of functional utility for
systems and test coverage for a fairly small increase in kernel size.
Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>