REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4593
get_section_maintainers() either returns a list with
valid entries or an empty list. It never returns None.
Simplify logic that accumulates maintainers and lists by
unconditionally appending lists returned from
get_section_maintainers().
Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Acked-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>