add bestechnic

Signed-off-by: Nchaoyang <cuichaoyang136@163.com>

default.xml

@@ -292,4 +292,7 @@
   <project name="third_party_opengles" path="third_party/openGLES"/>
   <project name="xts_hats" path="test/xts/hats"/>
   <project name="device_profile_core" path="foundation/deviceprofile/device_profile_core"/>
+  <project name="device_soc_bestechnic" path="device/soc/bestechnic"/>
+  <project name="device_board_fnlink" path="device/board/fnlink"/>
+  <project name="vendor_bestechnic" path="vendor/bestechnic"/>
 </manifest>