common: ep93xx: Move arch-specific declarations out of common

These declarations should not be in common. Remove those that are not
needed and move the others to an arch-specific location.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/cpu/arm920t/ep93xx/speed.c

@@ -39,7 +39,7 @@ static ulong get_PLLCLK(uint32_t *pllreg)
 }
 
 /* return FCLK frequency */
-ulong get_FCLK()
+ulong get_FCLK(void)
 {
 	const uint8_t fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
 	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;

include/common.h

@@ -512,16 +512,6 @@ int serial_stub_tstc(struct stdio_dev *sdev);
 
 /* $(CPU)/speed.c */
 int	get_clocks (void);
-#if defined(CONFIG_LH7A40X) || \
-    defined(CONFIG_EP93XX)
-ulong	get_FCLK (void);
-ulong	get_HCLK (void);
-ulong	get_PCLK (void);
-ulong	get_UCLK (void);
-#endif
-#if defined(CONFIG_LH7A40X)
-ulong	get_PLLCLK (void);
-#endif
 ulong	get_bus_freq  (ulong);
 int get_serial_clock(void);