atomic: Collapse all atomic_{set,clear}_mask definitions

Move the now generic definitions of atomic_{set,clear}_mask() into
linux/atomic.h to avoid endless and pointless repetition.

Also, provide an atomic_andnot() wrapper for those few archs that can
implement that.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/m68k/include/asm/atomic.h

@@ -174,16 +174,6 @@ static inline int atomic_add_negative(int i, atomic_t *v)
 	return c != 0;
 }
 
-static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v)
-{
-	atomic_and(~mask, v);
-}
-
-static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v)
-{
-	atomic_or(mask, v);
-}
-
 static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
 {
 	int c, old;