arm: dts: k3-j7200-r5: Add fs_loader node

Add a generic fs_loader node to the K3 J7200 R5 common board dts
file and use it as the chosen firmware-loader so that it can be
used for loading various firmwares from a boot media/filesystem
in R5 SPL on K3 J7200 EVM.

Signed-off-by: Suman Anna <s-anna@ti.com>
diff --git a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
index bd30284..db63d93 100644
--- a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
+++ b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
@@ -18,6 +18,12 @@
 	chosen {
 		stdout-path = &main_uart0;
 		tick-timer = &timer1;
+		firmware-loader = &fs_loader0;
+	};
+
+	fs_loader0: fs_loader@0 {
+		u-boot,dm-pre-reloc;
+		compatible = "u-boot,fs-loader";
 	};
 
 	a72_0: a72@0 {