This patch allows for linking selected files with system libc. This
allows for creating libraries interacting with filesystem, standard I/O
and other parts of system. Until now it was only possible using CMocka
proxy functions or functions not masked by code under test.
Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Change-Id: I652362ba61a25e974d706357fc36479ccee763e4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70108
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jan Dabros <jsd@semihalf.com>