LinuxKPI: bitfields add more *replace_bits()

Add or extend the already existing *_replace_bits() implementations
using macros as we do for the other parts in the file for
le<n>p_replace_bits(), u<n>p_replace_bits(), and _u<n>_replace_bits().

MFC after: 3 days
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D33799