mwifiex: make read-only array wmm_oui static const

Don't populate the read-only array wmm_oui on the stack but
instead make it static const. Also makes the object code a little
smaller.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220311225610.10895-1-colin.i.king@gmail.com

drivers/net/wireless/marvell/mwifiex/uap_cmd.c

@@ -389,7 +389,7 @@ mwifiex_set_wmm_params(struct mwifiex_private *priv,
 {
 	const u8 *vendor_ie;
 	const u8 *wmm_ie;
-	u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
+	static const u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 
 	vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 					    WLAN_OUI_TYPE_MICROSOFT_WMM,