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>

lib/hweight.c

@@ -1,6 +1,6 @@
 #include <linux/module.h>
+#include <linux/bitops.h>
 #include <asm/types.h>
-#include <asm/bitops.h>
 
 /**
  * hweightN - returns the hamming weight of a N-bit word