Update MCLinker for LLVM 3.5.

Change-Id: Ib07513d0eb2f8b7d3516a7dd8823f98820943cc9
diff --git a/Android.mk b/Android.mk
index 7998c59..8e6d232 100644
--- a/Android.mk
+++ b/Android.mk
@@ -24,6 +24,11 @@
   lib/Target/ARM \
   lib/Target/ARM/TargetInfo
 
+# AArch64 Code Generation Libraries
+subdirs += \
+  lib/Target/AArch64 \
+  lib/Target/AArch64/TargetInfo
+
 # MIPS Code Generation Libraries
 subdirs += \
   lib/Target/Mips \