staging: rtl8192e: Simplify _rtl92e_calculate_bit_shift

Use ffs instead of iteration. Behaviour of function doesn't change.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed