ARM: KVM: Add VGIC configuration option

It is now possible to select the VGIC configuration option.

Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index 05227cb..d8126f2 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -51,6 +51,14 @@
 	  large, so only choose a reasonable number that you expect to
 	  actually use.
 
+config KVM_ARM_VGIC
+	bool "KVM support for Virtual GIC"
+	depends on KVM_ARM_HOST && OF
+	select HAVE_KVM_IRQCHIP
+	default y
+	---help---
+	  Adds support for a hardware assisted, in-kernel GIC emulation.
+
 source drivers/virtio/Kconfig
 
 endif # VIRTUALIZATION