Move #include for rijndael.h out of x86-specific region.

The #include was added inside of the conditional by accident and the lack
of it broke non-x86 builds.

Reported by:	lwhsu (jenkins), andrew

sys/dev/cxgbe/t4_main.c

@@ -67,8 +67,8 @@ __FBSDID("$FreeBSD$");
 #include <machine/cputypes.h>
 #include <vm/vm.h>
 #include <vm/pmap.h>
-#include <crypto/rijndael/rijndael.h>
 #endif
+#include <crypto/rijndael/rijndael.h>
 #ifdef DDB
 #include <ddb/ddb.h>
 #include <ddb/db_lex.h>