Add e6500 processor detection

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index c1815e8..8d2ef9f 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu.c
@@ -117,6 +117,9 @@
 	case PVR_VER_E5500:
 		puts("E5500");
 		break;
+	case PVR_VER_E6500:
+		puts("E6500");
+		break;
 	default:
 		puts("Unknown");
 		break;