MIPS: Fix Jazz 64-bit build error.

Move add_wired_entry to its own header file from where it will be
always included.  Patch up other users of add_wired_entry to also include
the header as needed.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 0d394e0..d1634555 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -19,6 +19,7 @@
 #include <asm/mmu_context.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
+#include <asm/tlbmisc.h>
 
 extern void build_tlb_refill_handler(void);