fead: added CPU frequency support for M5 (#2943)

* Update logic CPU frequency detection for M5

* clean code

* Simplify return logic for m5 case

Signed-off-by: dog steve <[email protected]>

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Signed-off-by: dog steve <[email protected]>

fix: reverted enabling macOS widget updates since there is still a pr…

…oblem with `chronod` (#2733)