ARM: S3C: Update Simtec copyright statements from , to -

There are a number of statements of the form A, B or A, B, C where
the numbers A,B,C are consecutive. Tidy these up to be A-B or A-C
as appropriate and to comply better with copyright standards [1]

[1] http://www.copyrightservice.co.uk/copyright/p03_copyright_notices
    section 4iii 'Year of publication'

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2440/irq.c b/arch/arm/mach-s3c2440/irq.c
index 63c5ab65..0c049b9 100644
--- a/arch/arm/mach-s3c2440/irq.c
+++ b/arch/arm/mach-s3c2440/irq.c
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s3c2440/irq.c
  *
- * Copyright (c) 2003,2004 Simtec Electronics
+ * Copyright (c) 2003-2004 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
  * This program is free software; you can redistribute it and/or modify