AArch64: Initial AArch64 port of libm

This patch adds intial support for AArch64 to bionic's libm.

Change-Id: I9ae0f895bbdd7fe67815e6ca1ead627581163a27
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
diff --git a/libm/Android.mk b/libm/Android.mk
index 39e5563..abe0722 100644
--- a/libm/Android.mk
+++ b/libm/Android.mk
@@ -224,6 +224,9 @@
 
 libm_common_includes := $(LOCAL_PATH)/upstream-freebsd/lib/msun/src/
 
+libm_aarch64_includes := $(LOCAL_PATH)/aarch64
+libm_aarch64_src_files := aarch64/fenv.c
+
 libm_arm_includes := $(LOCAL_PATH)/arm
 libm_arm_src_files := arm/fenv.c