clk: fixed: add missing kerneldoc

Add missing kerneldoc to fix compile warnings like:

drivers/clk/clk-fixed-factor.c:211: warning: Function parameter or member 'node' not described in 'of_fixed_factor_clk_setup'

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/clk-fixed-factor.c

···
 
 /**
  * of_fixed_factor_clk_setup() - Setup function for simple fixed factor clock
+ * @node:	device node for the clock
  */
 void __init of_fixed_factor_clk_setup(struct device_node *node)
 {

drivers/clk/clk-fixed-rate.c

···
 
 /**
  * of_fixed_clk_setup() - Setup function for simple fixed rate clock
+ * @node:	device node for the clock
  */
 void __init of_fixed_clk_setup(struct device_node *node)
 {