Change in flashrom[master]: tests: add init_shutdown test for realtek_mst_i2c_spi

[Peter Marheine (Code Review)]

Attention is currently required from: Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk.
Peter Marheine has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/56911 )

Change subject: tests: add init_shutdown test for realtek_mst_i2c_spi
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Patch Set 5:

(1 comment)

File tests/tests.c:

https://review.coreboot.org/c/flashrom/+/56911/comment/a94c4a92_c774d233 
PS4, Line 96: return __wrap_open(pathname, flags);
> I am sorry I only now noticed this, you don't need to redirect to another wrap, just […]

The point is that in most cases the difference isn't important, but I've decided to handle that by instead always delegating open64 to open and not offering the option to implement them separately.