[][MAC80211][build][Link mwctl to correct path]

[Description]
Fix mwctl link path.

[Release-log]
N/A

Change-Id: I763fc6abb0a7a7713a2ce4a371eba403325aa110
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6351214
diff --git a/feed/mt76-vendor/Makefile b/feed/mt76-vendor/Makefile
index 2b2f415..6b4da99 100644
--- a/feed/mt76-vendor/Makefile
+++ b/feed/mt76-vendor/Makefile
@@ -24,7 +24,7 @@
 define Package/mt76-vendor/install
 	mkdir -p $(1)/usr/sbin
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/mt76-vendor $(1)/usr/sbin
-	ln -s $(1)/usr/sbin/mt76-vendor $(1)/usr/sbin/mwctl
+	ln -s /usr/sbin/mt76-vendor $(1)/usr/sbin/mwctl
 endef
 
 $(eval $(call BuildPackage,mt76-vendor))