cpufreq: exynos: Extend Exynos cpufreq driver to support boost
cpufreq: exynos: Extend Exynos cpufreq driver to support boost

The cpufreq_driver's boost_supported flag is true only when boost
support is explicitly enabled. Boost related attributes are exported
only under the same condition.

Signed-off-by: Lukasz Majewski <b9e7fec7340b31aada4d612e9bde062018566488@samsung.com>
Signed-off-by: Myungjoo Ham <84146178f7c201fa3079bfc93fccba71d81dffe3@samsung.com>
Acked-by: Viresh Kumar <5ff32272b3d9f86512eddc8e0af523fc6f7924e5@linaro.org>
Signed-off-by: Rafael J. Wysocki <27ffc44a8ec6a212fba98cfc3246c6ce8ab131e0@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs