Insert directives to work around a CPU bug.

Bug: 3117632
Change-Id: I2fb58e7093984d18d2d2d21edf687206f4ddab31
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index fbaad1c..bc398c3 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -134,6 +134,11 @@
 
 TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
 
+# More flags/options can be added here
+ifeq ($(NEED_WORKAROUND_CORTEX_A9_745320),true)
+TARGET_GLOBAL_CFLAGS += -DWORKAROUND_CORTEX_A9_745320
+endif
+
 TARGET_RELEASE_CFLAGS := \
 			-DNDEBUG \
 			-g \