asm-generic: rename atomic.h to atomic-long.h

The existing asm-generic/atomic.h only defines the
atomic_long type. This renames it to atomic-long.h
so we have a place to add a truly generic atomic.h
that can be used on all non-SMP systems.

Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ingo Molnar <mingo@elte.hu>

arch/xtensa/include/asm/atomic.h

@@ -292,7 +292,7 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
 #define smp_mb__before_atomic_inc()	barrier()
 #define smp_mb__after_atomic_inc()	barrier()
 
-#include <asm-generic/atomic.h>
+#include <asm-generic/atomic-long.h>
 #endif /* __KERNEL__ */
 
 #endif /* _XTENSA_ATOMIC_H */