atomic: use <linux/atomic.h>

This allows us to move duplicated code in <asm/atomic.h>
(atomic_inc_not_zero() for now) to <linux/atomic.h>

Signed-off-by: Arun Sharma <asharma@fb.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/net/atm/proc.c b/net/atm/proc.c
index be3afde..0d020de 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -27,7 +27,7 @@
 #include <net/atmclip.h>
 #include <linux/uaccess.h>
 #include <linux/param.h> /* for HZ */
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include "resources.h"
 #include "common.h" /* atm_proc_init prototype */
 #include "signaling.h" /* to get sigd - ugly too */