staging: clocking-wizard: Fix kernel-doc warning

Fix the clocking wizard main structure kernel documentation.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/1614172241-17326-2-git-send-email-shubhrajyoti.datta@xilinx.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c

@@ -38,7 +38,8 @@ enum clk_wzrd_int_clks {
 };
 
 /**
- * struct clk_wzrd:
+ * struct clk_wzrd - Clock wizard private data structure
+ *
  * @clk_data:		Clock data
  * @nb:			Notifier block
  * @base:		Memory base