ARM: dts: k3-j721e: Add OSPI DT nodes

Add OSPI DT nodes to enable OSPI at U-Boot prompt and also to support
OSPI boot.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
diff --git a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
index a3a8193..d422100 100644
--- a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
@@ -349,3 +349,19 @@
 &exp2 {
 	u-boot,dm-spl;
 };
+
+&mcu_fss0_ospi0_pins_default {
+	u-boot,dm-spl;
+};
+
+&fss {
+	u-boot,dm-spl;
+};
+
+&ospi0 {
+	u-boot,dm-spl;
+
+	flash@0 {
+		u-boot,dm-spl;
+	};
+};