tests/spi25.c: Add unit-test coverage of spi95.c

Add spi95.c unit-tests to spi25.c to avoid some clutter.

BUG=b:157280555
BRANCH=none
TEST=builds

Change-Id: I6de59451b82131b58114b268ff6dd0b18cd5952b
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/41656
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
3 files changed