Staging: lustre: Used "linux" instead of "asm"

This patch fixes "Use #include <linux/uaccess.h> instead of
<asm/uaccess.h"> checkpatch.pl warning in dir.c
Signed-off-by: aybuke ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/llite/dir.c

@@ -41,7 +41,7 @@
 #include <linux/fs.h>
 #include <linux/pagemap.h>
 #include <linux/mm.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <linux/buffer_head.h>   /* for wait_on_buffer */
 #include <linux/pagevec.h>
 #include <linux/prefetch.h>