move count_zeroes.h out of asm-generic

This header contains a few helpers currenly only used by the mpi
implementation, and not default implementation of architecture code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index 95c52a9..d30549f 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -19,7 +19,7 @@
  */
 
 #include <linux/bitops.h>
-#include <asm-generic/bitops/count_zeros.h>
+#include <linux/count_zeros.h>
 #include "mpi-internal.h"
 
 #define MAX_EXTERN_MPI_BITS 16384