feat(intel): add support for power management and ACPI options for In…

…tel CPUs

Enabling this flag, should reduce power usage, in idle state, on Intel
CPUs supporting it.

Signed-off-by: Igor Rzegocki <igor@rzegocki.pl>
Signed-off-by: Noel Georgi <git@frezbo.dev>

kernel/build/config-amd64

@@ -659,7 +659,7 @@ CONFIG_CPU_IDLE_GOV_HALTPOLL=y
 CONFIG_HALTPOLL_CPUIDLE=y
 # end of CPU Idle
 
-# CONFIG_INTEL_IDLE is not set
+CONFIG_INTEL_IDLE=y
 # end of Power management and ACPI options
 
 #