Use ARM CCI driver on FVP and Juno platforms

This patch updates the FVP and Juno platform ports to use the common
driver for ARM Cache Coherent Interconnects.

Change-Id: Ib142f456b9b673600592616a2ec99e9b230d6542
diff --git a/plat/fvp/fvp_private.h b/plat/fvp/fvp_private.h
index 3949754..4f60a16 100644
--- a/plat/fvp/fvp_private.h
+++ b/plat/fvp/fvp_private.h
@@ -138,6 +138,7 @@
 
 void fvp_cci_init(void);
 void fvp_cci_enable(void);
+void fvp_cci_disable(void);
 
 void fvp_gic_init(void);