powerpc/mpc8xxx: Remove P1015 and P1016 from CPU list

P1015 is the same as P1011 and P1016 is the same as P1012 from software
point of view. They have different packages but share SVRs.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c
index ce47532..abfeb26 100644
--- a/arch/powerpc/cpu/mpc85xx/speed.c
+++ b/arch/powerpc/cpu/mpc85xx/speed.c
@@ -186,8 +186,7 @@
 #endif
 
 #ifdef CONFIG_QE
-#if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \
-    defined(CONFIG_P1021) || defined(CONFIG_P1025)
+#if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025)
 	sysInfo->freqQE =  sysInfo->freqSystemBus;
 #else
 	qe_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_QE_RATIO)