KVM: Update Red Hat copyrights

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c
index 96dfbb6..0f4e488 100644
--- a/arch/x86/kvm/irq.c
+++ b/arch/x86/kvm/irq.c
@@ -1,6 +1,7 @@
 /*
  * irq.c: API for in kernel interrupt controller
  * Copyright (c) 2007, Intel Corporation.
+ * Copyright 2009 Red Hat, Inc. and/or its affilates.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,