lttng-ust: add aarch64 recognition

Treat the same as "arm".

Upstream-Status: Pending

Signed-off-by: joe.slater@windriver.com


--- a/configure.ac
+++ b/configure.ac
@@ -230,6 +230,7 @@ changequote([,])dnl
 	s390) NO_UNALIGNED_ACCESS=1 ;;
 	s390x) NO_UNALIGNED_ACCESS=1 ;;
         arm*) NO_UNALIGNED_ACCESS=1 ;;
+        aarch64) NO_UNALIGNED_ACCESS=1 ;;
 	mips*) NO_UNALIGNED_ACCESS=1 ;;
 	tile*) NO_UNALIGNED_ACCESS=1 ;;
 	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;