clk: fractional-divider: Hide clk_fractional_divider_ops from wide audience

The providers are all located in drivers/clk/ and hence no need
to export the clock operations to wider audience. Hide them by
moving to drivers/clk/clk-fractional-divider.h.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210812170025.67074-2-andriy.shevchenko@linux.intel.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-fractional-divider.h

@@ -4,6 +4,8 @@
 
 struct clk_hw;
 
+extern const struct clk_ops clk_fractional_divider_ops;
+
 void clk_fractional_divider_general_approximation(struct clk_hw *hw,
 						  unsigned long rate,
 						  unsigned long *parent_rate,

drivers/clk/imx/clk-composite-7ulp.c

@@ -10,6 +10,7 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 
+#include "../clk-fractional-divider.h"
 #include "clk.h"
 
 #define PCG_PCS_SHIFT	24

include/linux/clk-provider.h

@@ -1023,7 +1023,6 @@ struct clk_fractional_divider {
 #define CLK_FRAC_DIVIDER_ZERO_BASED		BIT(0)
 #define CLK_FRAC_DIVIDER_BIG_ENDIAN		BIT(1)
 
-extern const struct clk_ops clk_fractional_divider_ops;
 struct clk *clk_register_fractional_divider(struct device *dev,
 		const char *name, const char *parent_name, unsigned long flags,
 		void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth,