Fix depreciated -faddress-sanitizer. Use '-fsanitize=address' instead.

-faddress-sanitizer' is deprecated.

Change-Id: I0c9cdf7422f4c9421c6cc81fbd033babcd856de7
diff --git a/core/llvm_config.mk b/core/llvm_config.mk
index 876bc2f..df562e1 100644
--- a/core/llvm_config.mk
+++ b/core/llvm_config.mk
@@ -99,7 +99,7 @@
 # clang does not support -mcpu=cortex-a15 yet - fall back to armv7-a for now
 $(call clang-flags-subst,-mcpu=cortex-a15,-march=armv7-a)
 
-ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -faddress-sanitizer
+ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address
 ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
 ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload
 ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan