x86: cpu: Describe board final hooks in the header

The new two declarations board_final_init() and board_final_cleanup()
need a description. Add it here.

Suggested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 5d24c17f8a3..1217cebb9b9 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -267,7 +267,20 @@ u32 cpu_get_family_model(void);
  */
 u32 cpu_get_stepping(void);
 
+/**
+ * board_final_init() - Final initialization hook (optional)
+ *
+ * Implements a custom initialization for boards that need to do it
+ * before the system is ready.
+ */
 void board_final_init(void);
+
+/**
+ * board_final_cleanup() - Final cleanup hook (optional)
+ *
+ * Implements a custom cleanup for boards that need to do it before
+ * booting the OS.
+ */
 void board_final_cleanup(void);
 
 #ifndef CONFIG_EFI_STUB