powerpc/chassis2: Configure and enable L2 cache for PPC clusters only

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Shaveta Leekha <shaveta@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

arch/powerpc/cpu/mpc85xx/cpu_init.c

@@ -520,7 +520,8 @@ int enable_cluster_l2(void)
 			u32 idx = (cluster >> (j*8)) & TP_CLUSTER_INIT_MASK;
 			u32 type = in_be32(&gur->tp_ityp[idx]);
 
-			if (type & TP_ITYP_AV)
+			if ((type & TP_ITYP_AV) &&
+			    TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC)
 				cluster_valid = 1;
 		}