x86: Fix up some missing prototypes

Some functions are missing prototypes. Fix those that are specific to x86.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c
index ca651c7584..342ff300b8 100644
--- a/arch/x86/cpu/coreboot/sdram.c
+++ b/arch/x86/cpu/coreboot/sdram.c
@@ -14,6 +14,7 @@
 #include <asm/init_helpers.h>
 #include <asm/processor.h>
 #include <asm/sections.h>
+#include <asm/zimage.h>
 #include <asm/arch/sysinfo.h>
 #include <asm/arch/tables.h>
 
@@ -99,7 +100,7 @@ int dram_init(void)
 	return calculate_relocation_address();
 }
 
-int dram_init_banksize(void)
+void dram_init_banksize(void)
 {
 	int i, j;
 
@@ -116,5 +117,4 @@ int dram_init_banksize(void)
 			}
 		}
 	}
-	return 0;
 }