The list insertion operations were open coded at each location.
Add helper functions which provide the semantics needed by
the selfboot code in a single place.
Change-Id: Ic757255e01934b499def839131c257bde9d0cc93
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15601
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
edfcce80b2