x86: use _types.h headers in asm where available

In general, the only definitions that assembly files can use
are in _types.S headers (where available), so convert them.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S
index ad37400..51f1504 100644
--- a/arch/x86/lib/getuser.S
+++ b/arch/x86/lib/getuser.S
@@ -28,7 +28,7 @@
 
 #include <linux/linkage.h>
 #include <asm/dwarf2.h>
-#include <asm/page.h>
+#include <asm/page_types.h>
 #include <asm/errno.h>
 #include <asm/asm-offsets.h>
 #include <asm/thread_info.h>