m68knommu: include asm-generic/pgtable.h

Include asm-generic/pgtable.h to pick up the lazy_mmu_mode and
lazy_cpu_mode macros. Won't build without them.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/asm-m68knommu/pgtable.h

@@ -65,4 +65,6 @@ extern unsigned int kobjsize(const void *objp);
 #define	VMALLOC_START	0
 #define	VMALLOC_END	0xffffffff
 
+#include <asm-generic/pgtable.h>
+
 #endif /* _M68KNOMMU_PGTABLE_H */