arm: socfpga: dts: soc64: Add binman node of FIT image with ATF support

Add binman node to device tree to generate the FIT image for u-boot
(u-boot.itb) and OS kernel (kernel.itb).

u-boot.itb contains arm trusted firmware (ATF), u-boot proper and
u-boot device tree for ATF u-boot flow.

kernel.itb contains Linux Image and Linux device tree.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
diff --git a/arch/arm/dts/socfpga_agilex-u-boot.dtsi b/arch/arm/dts/socfpga_agilex-u-boot.dtsi
index f0528a9..08f7cf7 100644
--- a/arch/arm/dts/socfpga_agilex-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_agilex-u-boot.dtsi
@@ -2,9 +2,11 @@
 /*
  * U-Boot additions
  *
- * Copyright (C) 2019 Intel Corporation <www.intel.com>
+ * Copyright (C) 2019-2020 Intel Corporation <www.intel.com>
  */
 
+#include "socfpga_soc64_fit-u-boot.dtsi"
+
 /{
 	memory {
 		#address-cells = <2>;