x86: Convert CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED to Kconfig

This converts CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED to a Kconfig option.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/turbo.c b/arch/x86/cpu/turbo.c
index bbd255e..c0bff75 100644
--- a/arch/x86/cpu/turbo.c
+++ b/arch/x86/cpu/turbo.c
@@ -14,7 +14,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if CONFIG_CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED
+#ifdef CONFIG_CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED
 static inline int get_global_turbo_state(void)
 {
 	return TURBO_UNKNOWN;