arm64: arch_k3: Enable interrupt controller drivers

Select the TISCI Interrupt Router, Aggregator drivers and all its
dependencies for TI's SoCs based on K3 architecture.

Suggested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>