linux-phytec-fsl

ARM: tegra: cpuidle: using IS_ENABLED for multi SoCs management in init func

Clean up the Tegra CPUidle init function by using IS_ENABLED for multi
SoCs management in the init function.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>