cleanup asm/scatterlist.h includes

Not architecture specific code should not #include <asm/scatterlist.h>.

This patch therefore either replaces them with
#include <linux/scatterlist.h> or simply removes them if they were
unused.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 6f03918..1602cd0 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -43,7 +43,7 @@
 #include <linux/file.h>
 #include <linux/namei.h>
 #include <asm/uaccess.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 #include <linux/crypto.h>
 #include <linux/sched.h>