usb: chipidea: npcm: Fix coding style with clarification of data type

Fixed coding style issue: unsigned to unsigned int.
Signed-off-by: Andreas Kühn <andreas.kuehn@diekuehnen.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20240903132535.15554-1-andreas.kuehn@diekuehnen.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/chipidea/ci_hdrc_npcm.c

@@ -18,7 +18,7 @@ struct npcm_udc_data {
 	struct ci_hdrc_platform_data pdata;
 };
 
-static int npcm_udc_notify_event(struct ci_hdrc *ci, unsigned event)
+static int npcm_udc_notify_event(struct ci_hdrc *ci, unsigned int event)
 {
 	struct device *dev = ci->dev->parent;