rename WORDS_BIGENDIAN to HOST_WORDS_BIGENDIAN

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/disas.c b/disas.c
index af5a9ea..ce342bc 100644
--- a/disas.c
+++ b/disas.c
@@ -246,7 +246,7 @@
     disasm_info.buffer_vma = (unsigned long)code;
     disasm_info.buffer_length = size;
 
-#ifdef WORDS_BIGENDIAN
+#ifdef HOST_WORDS_BIGENDIAN
     disasm_info.endian = BFD_ENDIAN_BIG;
 #else
     disasm_info.endian = BFD_ENDIAN_LITTLE;