clk: ti: clockdomain: Fix description for 'omap2_init_clk_clkdm's hw param

Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/clockdomain.c:107: warning: Function parameter or member 'hw' not described in 'omap2_init_clk_clkdm'
 drivers/clk/ti/clockdomain.c:107: warning: Excess function parameter 'clk' description in 'omap2_init_clk_clkdm'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-14-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: Lee Jones

drivers/clk/ti/clockdomain.c

@@ -97,7 +97,7 @@ void omap2_clkops_disable_clkdm(struct clk_hw *hw)
 
 /**
  * omap2_init_clk_clkdm - look up a clockdomain name, store pointer in clk
- * @clk: OMAP clock struct ptr to use
+ * @hw: Pointer to clk_hw_omap used to obtain OMAP clock struct ptr to use
  *
  * Convert a clockdomain name stored in a struct clk 'clk' into a
  * clockdomain pointer, and save it into the struct clk.  Intended to be