sparc32: drop useless preprocessor conditional in atomic_32.h

arch/sparc/include/asm/atomic_32.h is not exported to userspace.
So there is no need to protect code using __KERNEL__.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc/include/asm/atomic_32.h

@@ -13,8 +13,6 @@
 
 #include <linux/types.h>
 
-#ifdef __KERNEL__
-
 #include <asm/system.h>
 
 #define ATOMIC_INIT(i)  { (i) }
@@ -58,6 +56,4 @@ extern void atomic_set(atomic_t *, int);
 #define smp_mb__before_atomic_inc()	barrier()
 #define smp_mb__after_atomic_inc()	barrier()
 
-#endif /* !(__KERNEL__) */
-
 #endif /* !(__ARCH_SPARC_ATOMIC__) */