Change the name of wait_list to wait_queue_head in CondVar

[y86-dev]

CondVar currently has a field called wait_list, but its type is Opaque<bindings::wait_queue_head>. Change the name to wait_queue_head to avoid confusion, since fields that are named wait_list normally have the type struct list_head.

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This requires submitting a proper patch to the LKML and the Rust for Linux mailing list. Please recall to test your changes, to use a proper title for the commit, to sign your commit under the Developer's Certificate of Origin and so on. Please see https://docs.kernel.org/process/submitting-patches.html and https://rust-for-linux.com/contributing for details.

Please take this issue only if you are new to the kernel development process and you would like to use it as a test to submit your first patch to the kernel.

[vobst]

@AdilDyer are you still working on that one? Otherwise I‘d like to take the opportunity to learn how to submit a patch to the mailing list (never done that before).

@y86-dev In any case I'd be interested what "test your changes" means in this context? Anything besides the things mentioned in the contributing guidelines.

Update:
nvm, its already done https://lore.kernel.org/rust-for-linux/20240105012930.1426214-1-charmitro@posteo.net/