Add support for Cortex-A57 erratum 828024 workaround

Change-Id: I632a8c5bb517ff89c69268e865be33101059be7d
diff --git a/include/lib/cpus/aarch64/cortex_a57.h b/include/lib/cpus/aarch64/cortex_a57.h
index 7711e69..68d0821 100644
--- a/include/lib/cpus/aarch64/cortex_a57.h
+++ b/include/lib/cpus/aarch64/cortex_a57.h
@@ -65,6 +65,8 @@
 #define CPUACTLR_DIS_OVERREAD		(1 << 52)
 #define CPUACTLR_NO_ALLOC_WBWA		(1 << 49)
 #define CPUACTLR_DCC_AS_DCCI		(1 << 44)
+#define CPUACTLR_DIS_STREAMING		(3 << 27)
+#define CPUACTLR_DIS_L1_STREAMING	(3 << 25)
 
 /*******************************************************************************
  * L2 Control register specific definitions.