powerpc/dts: Fix the dts for p1025rdb 36bit

Fix the following errors:

Error: p1025rdb.dtsi:326.2-3 label or path, 'qe', not found
Error: p1021si-post.dtsi:242.2-3 label or path, 'qe', not found
FATAL ERROR: Syntax error parsing input tree
Signed-off-by: NZhicheng Fan <B32736@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/p1025rdb_36b.dts

@@ -82,6 +82,11 @@ pcie@0 {
 				  0x0 0x100000>;
 		};
 	};
+
+	qe: qe@fffe80000 {
+		status = "disabled"; /* no firmware loaded */
+	};
+
 };
 
 /include/ "p1025rdb.dtsi"