ARM: rmobile: Add R8A77965 M3NULCB support

Add defconfig and board specific adjustments for the R8A77965 M3N ULCB.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/configs/r8a7796_ulcb_defconfig b/configs/r8a7796_ulcb_defconfig
index 6315fef..ab395d5 100644
--- a/configs/r8a7796_ulcb_defconfig
+++ b/configs/r8a7796_ulcb_defconfig
@@ -28,7 +28,7 @@
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a7796-m3ulcb-u-boot"
-CONFIG_OF_LIST="r8a7795-h3ulcb-u-boot r8a7796-m3ulcb-u-boot"
+CONFIG_OF_LIST="r8a7795-h3ulcb-u-boot r8a7796-m3ulcb-u-boot r8a77965-m3nulcb-u-boot"
 CONFIG_MULTI_DTB_FIT_LZO=y
 CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
 CONFIG_ENV_IS_IN_MMC=y