j721s2: dts: binman: Package tiboot3.bin, tispl.bin and u-boot.img

Support has been added for both HS-SE, HS-FS  and GP images.

HS-SE:
    * tiboot3-j721s2-hs-evm.bin
    * tispl.bin
    * u-boot.img

HS-FS:
    * tiboot3-j721s2-hs-fs-evm.bin
    * tispl.bin
    * u-boot.img

GP:
    * tiboot3.bin --> tiboot3-j721s2-gp-evm.bin
    * tispl.bin_unsigned
    * u-boot.img_unsigned

It is to be noted that the bootflow followed by J721S2 requires:

tiboot3.bin:
	* R5 SPL
	* R5 SPL dtbs
	* TIFS
	* board-cfg
	* pm-cfg
	* sec-cfg
	* rm-cfg

tispl.bin:
	* DM
	* ATF
	* OP-TEE
	* A72 SPL
	* A72 SPL dtbs

u-boot.img:
	* A72 U-Boot
	* A72 U-Boot dtbs

Reviewed-by: Simon Glass <sjg@chromium.org>
[afd@ti.com: changed output binary names appropriately]
Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
diff --git a/arch/arm/dts/k3-am68-sk-base-board-u-boot.dtsi b/arch/arm/dts/k3-am68-sk-base-board-u-boot.dtsi
index ee31b1e..79faa1b 100644
--- a/arch/arm/dts/k3-am68-sk-base-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-am68-sk-base-board-u-boot.dtsi
@@ -3,6 +3,8 @@
  * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
  */
 
+#include "k3-j721s2-binman.dtsi"
+
 / {
 	chosen {
 		stdout-path = "serial2:115200n8";