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/Kconfig b/arch/x86/Kconfig
index 5373082..277c3ba 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -529,6 +529,13 @@
 	  the memory used by this initialisation process. Typically 4KB is
 	  enough space.
 
+config CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED
+	bool
+	help
+	  This option indicates that the turbo mode setting is not package
+	  scoped. i.e. turbo_enable() needs to be called on not just the
+	  bootstrap processor (BSP).
+
 config HAVE_VGA_BIOS
 	bool "Add a VGA BIOS image"
 	help
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;