[][Add initial mt7981 target support in SDK]

[Description]
Add initial mt7981 target support in SDK

[Release-log]
N/A

Change-Id: Id7b3e04856c2a26e030a83dbfb57779b815b173f
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5058341
diff --git a/openwrt_patches-21.02/001-target-mediatek-add-mt7986-subtarget.patch b/openwrt_patches-21.02/001-target-mediatek-add-mt7986-subtarget.patch
index f300666..391097b 100644
--- a/openwrt_patches-21.02/001-target-mediatek-add-mt7986-subtarget.patch
+++ b/openwrt_patches-21.02/001-target-mediatek-add-mt7986-subtarget.patch
@@ -7,7 +7,7 @@
  BOARD:=mediatek
  BOARDNAME:=MediaTek Ralink ARM
 -SUBTARGETS:=mt7622 mt7623 mt7629
-+SUBTARGETS:=mt7622 mt7623 mt7629 mt7986
++SUBTARGETS:=mt7622 mt7623 mt7629 mt7986 mt7981
  FEATURES:=squashfs nand ramdisk fpu
  
  KERNEL_PATCHVER:=5.4