kvm: Rename kvm_irqchip_add_route to kvm_irqchip_add_irq_route

We will add kvm_irqchip_add_msi_route, so let's make the difference
clearer.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/kvm-all.c b/kvm-all.c
index 1913d6a..0117837 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -935,7 +935,7 @@
     set_gsi(s, entry->gsi);
 }
 
-void kvm_irqchip_add_route(KVMState *s, int irq, int irqchip, int pin)
+void kvm_irqchip_add_irq_route(KVMState *s, int irq, int irqchip, int pin)
 {
     struct kvm_irq_routing_entry e;