[S] Change in flashrom[master]: meson: Move programmer test sources into programmer definition

[Felix Singer (Code Review)]

Attention is currently required from: Thomas Heijligen, Angel Pons, Anastasia Klimchuk.

Felix Singer has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/68162 )

Change subject: meson: Move programmer test sources into programmer definition
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Patch Set 11:

(1 comment)

File tests/meson.build:

https://review.coreboot.org/c/flashrom/+/68162/comment/c4c34eb6_8bd73d17 
PS10, Line 32:   p_data += {
             :     'testsrc' : p_data.get('testsrc', []),
             :   }
             :   srcs += p_data.get('testsrc')
> > I came up with one question, wanted to clarify. […]

I just created CB:68359, which makes use of weak functions and removes the ifdefs. This also removes the need to compile in all test files. Though, not sure if that is an actual advantage. What might be an advantage that the linker does the work for us instead the pre-processor ifs.