KVM: arm/arm64: vgic: Fix some comments typo

Fix various comments, including wrong function names, grammar mistakes
and specification references.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191029071919.177-3-yuzenghui@huawei.com

include/kvm/arm_vgic.h

@@ -240,7 +240,7 @@ struct vgic_dist {
 	 * Contains the attributes and gpa of the LPI configuration table.
 	 * Since we report GICR_TYPER.CommonLPIAff as 0b00, we can share
 	 * one address across all redistributors.
-	 * GICv3 spec: 6.1.2 "LPI Configuration tables"
+	 * GICv3 spec: IHI 0069E 6.1.1 "LPI Configuration tables"
 	 */
 	u64			propbaser;
 

virt/kvm/arm/vgic/vgic-v3.c

@@ -357,7 +357,7 @@ retry:
 }
 
 /**
- * vgic_its_save_pending_tables - Save the pending tables into guest RAM
+ * vgic_v3_save_pending_tables - Save the pending tables into guest RAM
  * kvm lock and all vcpu lock must be held
  */
 int vgic_v3_save_pending_tables(struct kvm *kvm)

virt/kvm/arm/vgic/vgic-v4.c

@@ -281,7 +281,7 @@ int kvm_vgic_v4_set_forwarding(struct kvm *kvm, int virq,
 
 	mutex_lock(&its->its_lock);
 
-	/* Perform then actual DevID/EventID -> LPI translation. */
+	/* Perform the actual DevID/EventID -> LPI translation. */
 	ret = vgic_its_resolve_lpi(kvm, its, irq_entry->msi.devid,
 				   irq_entry->msi.data, &irq);
 	if (ret)