chore: kernel部件化

1、添加HPM包描述文件bundle.json
2、依赖的三方开源软件，由直接引用路径，改为import对应的gni文件，引用变量

Signed-off-by: Hongjin Li <lihongjin1@huawei.com>
Change-Id: Ice783c19a477626d422a37faf3d420c4965f8ea6

fs/nfs/BUILD.gn

@@ -28,13 +28,10 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import("//kernel/liteos_a/liteos.gni")
+import("//third_party/NuttX/NuttX.gni")
 
 module_switch = defined(LOSCFG_FS_NFS)
 module_name = get_path_info(rebase_path("."), "name")
 kernel_module(module_name) {
-  sources = [
-    "$LITEOSTHIRDPARTY/NuttX/fs/nfs/nfs_adapter.c",
-    "$LITEOSTHIRDPARTY/NuttX/fs/nfs/nfs_util.c",
-    "$LITEOSTHIRDPARTY/NuttX/fs/nfs/rpc_clnt.c",
-  ]
+  sources = NUTTX_FS_NFS_SRC_FILES
 }