docs: kernel-parameters: add CPU_FREQ, CPU_IDLE build options

CPU_FREQ and CPU_IDLE are used in descriptions of some kernel parameters
so add their descriptions to the build options list.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260815172934.3604009-1-rdunlap@infradead.org>
This commit is contained in:
Randy Dunlap 2026-08-15 10:29:34 -07:00 • committed by Jonathan Corbet
commit e5bbf81def