powerpc: dts: mpc8315erdb: Add missing model property

The mpc8315erdb devicetree did thus far not have a /model property, even
though it is required by the devicetree specification.

Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260313-ppc-model-v1-1-bf19b3d1b65d@posteo.net

Author: neuschaefer

arch/powerpc/boot/dts/mpc8315erdb.dts

@@ -10,6 +10,7 @@
 
 / {
 	compatible = "fsl,mpc8315erdb";
+	model = "MPC8315E-RDB";
 	#address-cells = <1>;
 	#size-cells = <1>;