staging: rtl8723bs: modernize hex output in rtw_report_sec_ie

Replace the manual hex-printing loop with the standard kernel '%*ph'
format string. This simplifies the code and uses modern logging
practices.

Signed-off-by: Luka Gejak <lukagejak5@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/20260130185658.207785-5-lukagejak5@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: MocLG

drivers/staging/rtl8723bs/core/rtw_mlme.c

@@ -2055,7 +2055,7 @@ static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie
 static void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
 {
 	uint	len;
-	u8 *buff, *p, i;
+	u8 *buff, *p;
 	union iwreq_data wrqu;
 
 	buff = NULL;
@@ -2071,8 +2071,7 @@ static void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
 		len = sec_ie[1] + 2;
 		len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
 
-		for (i = 0; i < len; i++)
-			p += scnprintf(p, IW_CUSTOM_MAX - (p - buff), "%02x", sec_ie[i]);
+		p += scnprintf(p, IW_CUSTOM_MAX - (p - buff), " %*ph", len, sec_ie);
 
 		p += scnprintf(p, IW_CUSTOM_MAX - (p - buff), ")");