[PATCH v2] clk: tests: Add tests for clk lookup by name

[Stephen Boyd]

Quoting Chen-Yu Tsai (2025-10-15 02:06:59)
> Clk lookup (by name) recently gained some performance improvements at
> the expense of more complexity within the lookup code.
> 
> To make sure that this works as intended and doesn't break, add some
> basic tests for this part of the CCF.
> 
> A new "clk_hw_lookup()" function is added purely for running kunit
> tests.
> 
> Signed-off-by: Chen-Yu Tsai <wenst at chromium.org>
> 
> ---

Urgh I see I missed the new one. Please look at v1 and fix things up and
resend.