ARM: EXYNOS4: Update Clock part

This patch updates Clock part of EXYNOS4 according to the change of
ARCH name, EXYNOS4.
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5pv310/include/mach/regs-clock.h → arch/arm/mach-exynos4/include/mach/regs-clock.h

-/* linux/arch/arm/mach-s5pv310/include/mach/regs-clock.h
+/* linux/arch/arm/mach-exynos4/include/mach/regs-clock.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - Clock register definitions
+ * EXYNOS4 - Clock register definitions
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as