chore: 新增欧智通基于恒玄SoC的单板仓库 fnlink

Signed-off-by: NSimonLi <likailong@huawei.com>

sig/sig-devboard/sig_devboard.md

@@ -105,6 +105,7 @@ Note: The content of this SIG follows the convention described in OpenHarmony's
   - goodix: https://gitee.com/openharmony-sig/devboard_vendor_goodix_gr5515_sk_basic
   - device_soc_hisilicon: https://gitee.com/openharmony-sig/device_soc_hisilicon
   - device_board_hisilicon: https://gitee.com/openharmony-sig/device_board_hisilicon
+  - device_board_fnlink: https://gitee.com/openharmony-sig/device_board_fnlink
 
 ## SIG Members
 

sig/sig-devboard/sig_devboard_cn.md

@@ -106,6 +106,7 @@
   - goodix: https://gitee.com/openharmony-sig/devboard_vendor_goodix_gr5515_sk_basic
   - device_soc_hisilicon: https://gitee.com/openharmony-sig/device_soc_hisilicon
   - device_board_hisilicon: https://gitee.com/openharmony-sig/device_board_hisilicon
+  - device_board_fnlink: https://gitee.com/openharmony-sig/device_board_fnlink
 
 ## SIG组成员
 

sig/sigs.json

@@ -110,7 +110,8 @@
                 "https://gitee.com/openharmony-sig/devboard_device_goodix_gr551x",
                 "https://gitee.com/openharmony-sig/devboard_vendor_goodix_gr5515_sk_basic",
                 "https://gitee.com/openharmony-sig/device_soc_hisilicon",
-                "https://gitee.com/openharmony-sig/device_board_hisilicon"
+                "https://gitee.com/openharmony-sig/device_board_hisilicon",
+                "https://gitee.com/openharmony-sig/device_board_fnlink"
          ],
          "project-path":[
                 "device/st",