linux/bitops: Move BIT definitions at top

Since it's a copy from Linux, this patch moved all
BIT definitions to top so-that it looks same as Linux file.

Cc: Tom Rini <trini@konsulko.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Jagan Teki <jteki@openedev.com>

include/linux/bitops.h

@@ -3,7 +3,9 @@
 
 #include <asm/types.h>
 
-#define BIT(nr)		(1UL << (nr))
+#define BIT(nr)			(1UL << (nr))
+#define BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_LONG))
+#define BIT_WORD(nr)		((nr) / BITS_PER_LONG)
 
 /*
  * ffs: find first bit set. This is defined the same way as
@@ -106,9 +108,6 @@ static inline unsigned int generic_hweight8(unsigned int w)
 	return (res & 0x0F) + ((res >> 4) & 0x0F);
 }
 
-#define BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_LONG))
-#define BIT_WORD(nr)		((nr) / BITS_PER_LONG)
-
 #include <asm/bitops.h>
 
 /* linux/include/asm-generic/bitops/non-atomic.h */