Max Filippov 71a5fd7d89 xtensa: drop platform_heartbeat ...

platform_heartbeat is called from the timer interrupt handler, but
there may be no periodic timer interrupts on xtensa, so the frequency of
platform_heartbeat calls may be unrelated to HZ. Drop the callback and
reimplement its only user with a timer.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

2023-06-12 19:48:55 -07:00

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