remove asm/bitops.h includes

remove asm/bitops.h includes

including asm/bitops directly may cause compile errors. don't include it
and include linux/bitops instead. next patch will deny including asm header
directly.

Cc: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/asm-ia64/spinlock.h b/include/asm-ia64/spinlock.h
index ff857e3..0229fb9 100644
--- a/include/asm-ia64/spinlock.h
+++ b/include/asm-ia64/spinlock.h
@@ -11,9 +11,9 @@
 
 #include <linux/compiler.h>
 #include <linux/kernel.h>
+#include <linux/bitops.h>
 
 #include <asm/atomic.h>
-#include <asm/bitops.h>
 #include <asm/intrinsics.h>
 #include <asm/system.h>