[][MAC80211][hostapd][Fix mtk vendor subcmd EDCCA control issue]

[Description]
Fix EDCCA control subcmd cause interface down issue.

If wifi driver didn't support EDCCA control vendor command,
nl80211_configure_edcca_threshold() will return error which cause hostapd
to bring down the interface in current implementation. It shall return 0 if
wifi driver didn't support EDCCA control vendor command.

[Release-log]
N/A

Change-Id: I71143e44b43892702e3325b2fcff302631b4baf1
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6244040
diff --git a/autobuild_mac80211_release/package/network/services/hostapd/patches/915-Support-new-hostapd-configuration-edcca_enable-and-e.patch b/autobuild_mac80211_release/package/network/services/hostapd/patches/915-Support-new-hostapd-configuration-edcca_enable-and-e.patch
index 36092dd..fbf45a4 100644
--- a/autobuild_mac80211_release/package/network/services/hostapd/patches/915-Support-new-hostapd-configuration-edcca_enable-and-e.patch
+++ b/autobuild_mac80211_release/package/network/services/hostapd/patches/915-Support-new-hostapd-configuration-edcca_enable-and-e.patch
@@ -170,9 +170,9 @@
 +	int ret;
 +
 +	if (!drv->mtk_edcca_vendor_cmd_avail) {
-+		wpa_printf(MSG_ERROR,
++		wpa_printf(MSG_INFO,
 +			   "nl80211: Driver does not support setting EDCCA threshold");
-+		return -1;
++		return 0;
 +	}
 +
 +	if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||