--- skiboot-6.3.1/external/opal-prd/thunk.S.old	2019-05-10 06:50:45.000000000 +0000
+++ skiboot-6.3.1/external/opal-prd/thunk.S	2019-06-04 08:01:00.851806263 +0000
@@ -3,4 +3,4 @@
-#include <endian.h>
+#define __BYTE_ORDER __BIG_ENDIAN
 #include <asm/unistd.h>
 
 #ifndef __NR_switch_endian