powerpc/b4860: Updated default hwconfig to enable only cpc2

CPC1 is not being enabled by default as powerpc is supposed to
use only CPC2. Though by editing hwconfig en_cpc option,
CPC1 can also be enabled.

Signed-off-by: Shaveta Leekha <shaveta@freescale.com>
Signed-off-by: Sandeep Singh <Sandeep@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/B4860QDS.h b/include/configs/B4860QDS.h
index 953d06b..6deb784 100644
--- a/include/configs/B4860QDS.h
+++ b/include/configs/B4860QDS.h
@@ -819,9 +819,16 @@
 
 #define __USB_PHY_TYPE	ulpi
 
+#ifdef CONFIG_PPC_B4860
+#define HWCONFIG	"hwconfig=fsl_ddr:ctlr_intlv=null,"	\
+			"bank_intlv=cs0_cs1;"	\
+			"en_cpc:cpc2;"
+#else
+#define	HWCONFIG	"hwconfig=fsl_ddr:ctlr_intlv=null,bank_intlv=cs0_cs1;"
+#endif
+
 #define	CONFIG_EXTRA_ENV_SETTINGS				\
-	"hwconfig=fsl_ddr:ctlr_intlv=null,"		\
-	"bank_intlv=cs0_cs1;"					\
+	HWCONFIG						\
 	"usb1:dr_mode=host,phy_type=" __stringify(__USB_PHY_TYPE) "\0"\
 	"netdev=eth0\0"						\
 	"uboot=" __stringify(CONFIG_UBOOTPATH) "\0"			\