bmips: configs: switch to size definitions

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/include/configs/broadcom_bcm968380gerg.h b/include/configs/broadcom_bcm968380gerg.h
index aa6ce67..b0e9337 100644
--- a/include/configs/broadcom_bcm968380gerg.h
+++ b/include/configs/broadcom_bcm968380gerg.h
@@ -6,7 +6,7 @@
 #include <configs/bmips_common.h>
 #include <configs/bmips_bcm6838.h>
 
-#define CONFIG_ENV_SIZE			(8 * 1024)
+#define CONFIG_ENV_SIZE	SZ_8K
 
 #ifdef CONFIG_NAND
 #define CONFIG_SYS_MAX_NAND_DEVICE	1