x86: fsp: Add boot_mode as a member of struct shared_data

Save boot_mode in struct shared_data for future refactoring.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/include/asm/fsp/fsp_support.h b/arch/x86/include/asm/fsp/fsp_support.h
index 685778e..18e2d21 100644
--- a/arch/x86/include/asm/fsp/fsp_support.h
+++ b/arch/x86/include/asm/fsp/fsp_support.h
@@ -21,6 +21,7 @@
 struct shared_data {
 	struct fsp_header	*fsp_hdr;
 	u32			stack_top;
+	u32			boot_mode;
 	struct upd_region	fsp_upd;
 };
 
diff --git a/arch/x86/lib/fsp/fsp_support.c b/arch/x86/lib/fsp/fsp_support.c
index df62ba8..083d855 100644
--- a/arch/x86/lib/fsp/fsp_support.c
+++ b/arch/x86/lib/fsp/fsp_support.c
@@ -153,6 +153,7 @@
 
 	shared_data.fsp_hdr = fsp_hdr;
 	shared_data.stack_top = stack_top;
+	shared_data.boot_mode = boot_mode;
 
 	post_code(POST_PRE_MRC);