Suppport AESCE on A32 and T32

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/aesce.h b/library/aesce.h
index d24c423..97e2424 100644
--- a/library/aesce.h
+++ b/library/aesce.h
@@ -31,7 +31,7 @@
 #include "mbedtls/aes.h"
 
 
-#if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_ARCH_IS_ARM64)
+#if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_ARCH_IS_ARMV8)
 
 #define MBEDTLS_AESCE_HAVE_CODE