arm: dts: k3-am625-sk-binman: Add labels for unsigned binary

Add labels for unsigned binary to permit over-ride.

Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
diff --git a/arch/arm/dts/k3-am625-sk-binman.dtsi b/arch/arm/dts/k3-am625-sk-binman.dtsi
index a35d641..41277bf 100644
--- a/arch/arm/dts/k3-am625-sk-binman.dtsi
+++ b/arch/arm/dts/k3-am625-sk-binman.dtsi
@@ -389,7 +389,7 @@
 					type = "flat_dt";
 					arch = "arm";
 					compression = "none";
-					blob {
+					spl_am625_sk_dtb_unsigned: blob {
 						filename = SPL_AM625_SK_DTB;
 					};
 				};
@@ -438,7 +438,7 @@
 					type = "flat_dt";
 					arch = "arm";
 					compression = "none";
-					blob {
+					am625_sk_dtb_unsigned: blob {
 						filename = AM625_SK_DTB;
 					};
 					hash {