x86: Add a forward struct declaration in coreboot_tables.h

This struct is not defined in this header file. Add a forward declaration
so that it can be included in any context.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/x86/include/asm/coreboot_tables.h b/arch/x86/include/asm/coreboot_tables.h
index c42175b94daf554604d1e74b6421adc5778bede0..2c54e24e02fb2614c75ece13926ad5be5cbf4276 100644 (file)
--- a/arch/x86/include/asm/coreboot_tables.h
+++ b/arch/x86/include/asm/coreboot_tables.h
@@ -8,6 +8,8 @@
 #ifndef _COREBOOT_TABLES_H
 #define _COREBOOT_TABLES_H
 
+struct memory_area;
+
 struct cbuint64 {
        u32 lo;
        u32 hi;