arm: dts: k3-j721s2|am68: Migrate to OF_UPSTREAM

Use OF_UPSTREAM to pull Linux DT from dts/ tree

Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
diff --git a/arch/arm/dts/k3-j721s2-binman.dtsi b/arch/arm/dts/k3-j721s2-binman.dtsi
index c46fda6..46297eb 100644
--- a/arch/arm/dts/k3-j721s2-binman.dtsi
+++ b/arch/arm/dts/k3-j721s2-binman.dtsi
@@ -141,7 +141,7 @@
 
 #ifdef CONFIG_TARGET_J721S2_A72_EVM
 
-#define SPL_J721S2_EVM_DTB "spl/dts/k3-j721s2-common-proc-board.dtb"
+#define SPL_J721S2_EVM_DTB "spl/dts/ti/k3-j721s2-common-proc-board.dtb"
 #define J721S2_EVM_DTB "u-boot.dtb"
 
 &binman {