Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h

Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h as all arch
files that #include the former also #include the latter.  See:

	grep -rl asm-generic/cmpxchg-local[.]h arch/ | sort > b
	grep -rl asm-generic/cmpxchg[.]h arch/ | sort > a
	comm a b

This simplifies the disintegration of asm-generic/system.h for arches that
don't have their own.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index e37963c1..8b8cf94 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -15,6 +15,8 @@
 #ifndef __ASM_GENERIC_ATOMIC_H
 #define __ASM_GENERIC_ATOMIC_H
 
+#include <asm/cmpxchg.h>
+
 #ifdef CONFIG_SMP
 /* Force people to define core atomics */
 # if !defined(atomic_add_return) || !defined(atomic_sub_return) || \