parisc: Whitespace cleanups in atomic.h

Fix whitespace indenting and drop trailing backslashes.

Cc: <stable@vger.kernel.org> # 4.19+
Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/include/asm/atomic.h

@@ -85,7 +85,7 @@ static __inline__ void atomic_##op(int i, atomic_t *v)			\
 	_atomic_spin_lock_irqsave(v, flags);				\
 	v->counter c_op i;						\
 	_atomic_spin_unlock_irqrestore(v, flags);			\
-}									\
+}
 
 #define ATOMIC_OP_RETURN(op, c_op)					\
 static __inline__ int atomic_##op##_return(int i, atomic_t *v)		\
@@ -150,7 +150,7 @@ static __inline__ void atomic64_##op(s64 i, atomic64_t *v)		\
 	_atomic_spin_lock_irqsave(v, flags);				\
 	v->counter c_op i;						\
 	_atomic_spin_unlock_irqrestore(v, flags);			\
-}									\
+}
 
 #define ATOMIC64_OP_RETURN(op, c_op)					\
 static __inline__ s64 atomic64_##op##_return(s64 i, atomic64_t *v)	\