drivers: firmware: psci: initialise idle states using ACPI LPI
This patch adds support for initialisation of PSCI CPUIdle states from Low Power Idle(_LPI) entries in the ACPI tables when acpi is enabled. Acked-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: NSudeep Holla <sudeep.holla@arm.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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