microblaze: board: Remove compilation warning
Variable is used when CONFIG_SYS_FLASH_CHECKSUM is used.
Warning log:
board.c: In function 'board_init':
board.c:101: warning: unused variable 's'
Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stephan Linz <linz@li-pro.net>
diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c
index 942e18c..b5f21d8 100644
--- a/arch/microblaze/lib/board.c
+++ b/arch/microblaze/lib/board.c
@@ -32,6 +32,7 @@
#include <stdio_dev.h>
#include <serial.h>
#include <net.h>
+#include <linux/compiler.h>
#include <asm/processor.h>
#include <asm/microblaze_intc.h>
#include <fdtdec.h>
@@ -91,7 +92,7 @@
gd = (gd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET);
bd = (bd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET \
- GENERATED_BD_INFO_SIZE);
- char *s;
+ __maybe_unused char *s;
#if defined(CONFIG_CMD_FLASH)
ulong flash_size = 0;
#endif