rockchip: rk3368: add ENV_MEM_LAYOUT to extra env settings

Add the ENV_MEM_LAYOUT_SETTINGS to CONFIG_EXTRA_ENV_SETTINGS

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/include/configs/rk3368_common.h b/include/configs/rk3368_common.h
index 8cba92c..8b4155f 100644
--- a/include/configs/rk3368_common.h
+++ b/include/configs/rk3368_common.h
@@ -51,6 +51,7 @@
 #include <config_distro_bootcmd.h>
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
+	ENV_MEM_LAYOUT_SETTINGS	\
 	BOOTENV
 
 #endif