h8300: define __fls

Like fls, but can't be handed 0 and returns the bit number.
Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>

arch/h8300/include/asm/bitops.h

@@ -207,6 +207,7 @@ static __inline__ unsigned long __ffs(unsigned long word)
 #endif /* __KERNEL__ */
 
 #include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 
 #endif /* _H8300_BITOPS_H */