Bump version to KOI00B

Change-Id: Ic91be381738f957494ffba5e044f897ba74221c9
Signed-off-by: Shohei Sakamoto <sakamotos@casio.co.jp>
diff --git a/include/configs/koi.h b/include/configs/koi.h
index a896f26..fe8a51c 100644
--- a/include/configs/koi.h
+++ b/include/configs/koi.h
@@ -491,7 +491,7 @@
 #define CONFIG_INTEGRATED_IMG
 
 /* version-bootloader */
-#define VERSION_BOOTLOADER "KOI00A"
+#define VERSION_BOOTLOADER "KOI00B"
 
 #define CONFIG_AUTO_FW_WRITE