ARM: rmobile: Enable multi-DTB fit LZO compression

Enable LZO compression of the multi-DTB fitImages, since the U-Boot
with multiple DTs enabled is becoming quite large and the DTs can
be well compressed. The LZO compression saves almost 200 kiB on the
Salvator-X(S) and ULCB targets.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/configs/r8a7796_salvator-x_defconfig b/configs/r8a7796_salvator-x_defconfig
index 6a9c1bd..67d3b51 100644
--- a/configs/r8a7796_salvator-x_defconfig
+++ b/configs/r8a7796_salvator-x_defconfig
@@ -29,7 +29,8 @@
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a7796-salvator-x-u-boot"
 CONFIG_OF_LIST="r8a7795-salvator-x-u-boot r8a7796-salvator-x-u-boot r8a77965-salvator-x-u-boot"
-CONFIG_MULTI_DTB_FIT=y
+CONFIG_MULTI_DTB_FIT_LZO=y
+CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y