powerpc/mm: Move hash related mmu-*.h headers to book3s/

No code changes.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/cpu_setup_power.S

@@ -15,7 +15,7 @@
 #include <asm/ppc_asm.h>
 #include <asm/asm-offsets.h>
 #include <asm/cache.h>
-#include <asm/mmu-hash64.h>
+#include <asm/book3s/64/mmu-hash.h>
 
 /* Entry: r3 = crap, r4 = ptr to cputable entry
  *