arm64: cpufeature: declare enable_cpu_capabilities as static

enable_cpu_capabilities is only called from within cpufeature.c, so it
can be declared static.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/kernel/cpufeature.c

@@ -732,7 +732,7 @@ void update_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
  * Run through the enabled capabilities and enable() it on all active
  * CPUs
  */
-void enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps)
+static void enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps)
 {
 	int i;