ARM: omap2plus_defconfig: Add CONFIG_ARM_CPUIDLE Add CONFIG_ARM_CPUIDLE and supporting CONFIG_DT_IDLE_STATES as am335x and am437x will make use of these drivers. Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com>