MIPS: Use generic clkdev.h header

The generic header file is equivalent to the MIPS one, so use the
generic one instead.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12261/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/Kbuild

 # MIPS headers
 generic-(CONFIG_GENERIC_CSUM) += checksum.h
+generic-y += clkdev.h
 generic-y += cputime.h
 generic-y += current.h
 generic-y += dma-contiguous.h

arch/mips/include/asm/clkdev.h

-/*
- *  based on arch/arm/include/asm/clkdev.h
- *
- *  Copyright (C) 2008 Russell King.
- *
- * 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
- * published by the Free Software Foundation.
- *
- * Helper for the clk API to assist looking up a struct clk.
- */
-#ifndef __ASM_CLKDEV_H
-#define __ASM_CLKDEV_H
-
-#include <linux/slab.h>
-
-#ifndef CONFIG_COMMON_CLK
-#define __clk_get(clk)	({ 1; })
-#define __clk_put(clk)	do { } while (0)
-#endif
-
-static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
-{
-	return kzalloc(size, GFP_KERNEL);
-}
-
-#endif