feat(build): support Kconfig

Kconfig usages are the same with liteos_a

Signed-off-by: Caoruihong <crh.cao@huawei.com>
Change-Id: I9aacbb69da88d5427cced89d1a49cb1041afa998

components/shell/BUILD.gn

@@ -27,9 +27,11 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import("//kernel/liteos_m/config.gni")
+import("//kernel/liteos_m/liteos.gni")
 
-static_library("shell") {
+module_switch = defined(LOSCFG_SHELL)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
   sources = [
     "src/base/shcmd.c",
     "src/base/shcmdparse.c",
@@ -42,21 +44,11 @@ static_library("shell") {
     "src/cmds/task_shellcmd.c",
     "src/cmds/vfs_shellcmd.c",
   ]
-
-  include_dirs = [
-    "../../kernel/arch/include",
-    "../../kernel/include",
-    "../../utils",
-    "./include",
-  ]
-
-  configs += [ "$LITEOSTOPDIR:los_config" ]
-
-  if (enable_ohos_kernel_liteos_m_lwip) {
+  if (defined(LOSCFG_NET_LWIP_SACK)) {
     defines = [ "LWIP_SHELLCMD_ENABLE" ]
   }
-  deps = [
-    "//kernel/liteos_m/kal/posix",
-    "//third_party/bounds_checking_function:libsec_static",
-  ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
 }