MOre univel port patches/files from:

src/backend/port/univel/Makefile

src/backend/port/univel/frontend-port-protos.h

src/backend/port/univel/port-protos.h

src/backend/port/univel/port.c

src/backend/port/univel/rusagestub.h

src/backend/port/univel/tas.s

src/port/univel.h