clk: fixed-factor: Add hw based registration APIs

Add registration APIs in the clk fixed-factor code to return
struct clk_hw pointers instead of struct clk pointers. This way
we hide the struct clk pointer from providers unless they need to
use consumer facing APIs.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index d690d99..79ad1a8 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -525,6 +525,10 @@
 		const char *parent_name, unsigned long flags,
 		unsigned int mult, unsigned int div);
 void clk_unregister_fixed_factor(struct clk *clk);
+struct clk_hw *clk_hw_register_fixed_factor(struct device *dev,
+		const char *name, const char *parent_name, unsigned long flags,
+		unsigned int mult, unsigned int div);
+void clk_hw_unregister_fixed_factor(struct clk_hw *hw);
 
 /**
  * struct clk_fractional_divider - adjustable fractional divider clock