bitops: use __fls for fls64 on 64-bit archs

Use __fls for fls64 on 64-bit archs. The implementation for
64-bit archs is moved from x86_64 to asm-generic.

Signed-off-by: Alexander van Heukelum <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
2 files changed