ARM: tegra: add low level code for Tegra114 cluster power down
When the CPU cluster power down, the vGIC is powered down too. The flow controller needs to monitor the legacy interrupt controller to wake up CPU. So setting up the appropriate wake up event in flow controller. Signed-off-by: NJoseph Lo <josephl@nvidia.com> Signed-off-by: NStephen Warren <swarren@nvidia.com>
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