MIPS: loongson32: Remove regs-clk.h

Since commit c4649611 ("clk: loongson1: Remove
the outdated driver"), no one is using regs-clk.h.
Therefore, remove this obsolete header file.
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/include/asm/mach-loongson32/loongson1.h

@@ -45,7 +45,6 @@
 #define LS1X_NAND_BASE			0x1fe78000
 #define LS1X_CLK_BASE			0x1fe78030
 
-#include <regs-clk.h>
 #include <regs-mux.h>
 #include <regs-rtc.h>
 

arch/mips/include/asm/mach-loongson32/regs-clk.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
- *
- * Loongson 1 Clock Register Definitions.
- */
-
-#ifndef __ASM_MACH_LOONGSON32_REGS_CLK_H
-#define __ASM_MACH_LOONGSON32_REGS_CLK_H
-
-#define LS1X_CLK_REG(x) \
-		((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x)))
-
-#define LS1X_CLK_PLL_FREQ		LS1X_CLK_REG(0x0)
-#define LS1X_CLK_PLL_DIV		LS1X_CLK_REG(0x4)
-
-#if defined(CONFIG_LOONGSON1_LS1B)
-/* Clock PLL Divisor Register Bits */
-#define DIV_DC_EN			BIT(31)
-#define DIV_DC_RST			BIT(30)
-#define DIV_CPU_EN			BIT(25)
-#define DIV_CPU_RST			BIT(24)
-#define DIV_DDR_EN			BIT(19)
-#define DIV_DDR_RST			BIT(18)
-#define RST_DC_EN			BIT(5)
-#define RST_DC				BIT(4)
-#define RST_DDR_EN			BIT(3)
-#define RST_DDR				BIT(2)
-#define RST_CPU_EN			BIT(1)
-#define RST_CPU				BIT(0)
-
-#define DIV_DC_SHIFT			26
-#define DIV_CPU_SHIFT			20
-#define DIV_DDR_SHIFT			14
-
-#define DIV_DC_WIDTH			4
-#define DIV_CPU_WIDTH			4
-#define DIV_DDR_WIDTH			4
-
-#define BYPASS_DC_SHIFT			12
-#define BYPASS_DDR_SHIFT		10
-#define BYPASS_CPU_SHIFT		8
-
-#define BYPASS_DC_WIDTH			1
-#define BYPASS_DDR_WIDTH		1
-#define BYPASS_CPU_WIDTH		1
-
-#elif defined(CONFIG_LOONGSON1_LS1C)
-/* PLL/SDRAM Frequency configuration register Bits */
-#define PLL_VALID			BIT(31)
-#define FRAC_N				GENMASK(23, 16)
-#define RST_TIME			GENMASK(3, 2)
-#define SDRAM_DIV			GENMASK(1, 0)
-
-/* CPU/CAMERA/DC Frequency configuration register Bits */
-#define DIV_DC_EN			BIT(31)
-#define DIV_DC				GENMASK(30, 24)
-#define DIV_CAM_EN			BIT(23)
-#define DIV_CAM				GENMASK(22, 16)
-#define DIV_CPU_EN			BIT(15)
-#define DIV_CPU				GENMASK(14, 8)
-#define DIV_DC_SEL_EN			BIT(5)
-#define DIV_DC_SEL			BIT(4)
-#define DIV_CAM_SEL_EN			BIT(3)
-#define DIV_CAM_SEL			BIT(2)
-#define DIV_CPU_SEL_EN			BIT(1)
-#define DIV_CPU_SEL			BIT(0)
-
-#define DIV_DC_SHIFT			24
-#define DIV_CAM_SHIFT			16
-#define DIV_CPU_SHIFT			8
-#define DIV_DDR_SHIFT			0
-
-#define DIV_DC_WIDTH			7
-#define DIV_CAM_WIDTH			7
-#define DIV_CPU_WIDTH			7
-#define DIV_DDR_WIDTH			2
-
-#endif
-
-#endif /* __ASM_MACH_LOONGSON32_REGS_CLK_H */