KVM: Fix spelling in code comments

Fix spelling and typos (e.g., repeated words) in comments.

Signed-off-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200401140310.29701-1-tabba@google.com
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 67b6fc1..e586d13 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -116,7 +116,7 @@ irqfd_shutdown(struct work_struct *work)
 	struct kvm *kvm = irqfd->kvm;
 	u64 cnt;
 
-	/* Make sure irqfd has been initalized in assign path. */
+	/* Make sure irqfd has been initialized in assign path. */
 	synchronize_srcu(&kvm->irq_srcu);
 
 	/*