Change in flashrom[master]: tests: Do not run a test if its driver is not built

[Anastasia Klimchuk (Code Review)]

Attention is currently required from: Nico Huber, Edward O'Callaghan, Angel Pons.
Anastasia Klimchuk has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/55295 )

Change subject: tests: Do not run a test if its driver is not built
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Patch Set 4:

(1 comment)

File tests/init_shutdown.c:

https://review.coreboot.org/c/flashrom/+/55295/comment/cf8ae2b0_1fe729f6 
PS1, Line 35: #if CONFIG_DUMMY == 1
            : void dummy_init_and_shutdown_test_success(void **state)
            : {
            : 	run_lifecycle(state, PROGRAMMER_DUMMY, "bus=parallel+lpc+fwh+spi");
            : }
            : #endif /* CONFIG_DUMMY */
> "yes"/"no" is only used on the user end. Both Meson and the Makefile always use […]

I returned back to #if for now. But if it comes to changing meson.build at some point later, I am happy to change code here as well.