ANDROID: arm: Enable frequency invariant scheduler load-tracking support

Defines arch_scale_freq_capacity() to use cpufreq implementation.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Andres Oportus <andresoportus@google.com>

arch/arm/include/asm/topology.h

@@ -24,6 +24,11 @@ void init_cpu_topology(void);
 void store_cpu_topology(unsigned int cpuid);
 const struct cpumask *cpu_coregroup_mask(int cpu);
 
+#ifdef CONFIG_CPU_FREQ
+#include <linux/cpufreq.h>
+#define arch_scale_freq_capacity cpufreq_scale_freq_capacity
+#endif
+
 #else
 
 static inline void init_cpu_topology(void) { }