add submodules to use the library's supports

Kconfig

@@ -1,4 +1,4 @@
-menuconfig PKG_USING_WIFI_HOST_DRIVER
+menuconfig RT_USING_WIFI_HOST_DRIVER
     bool "Using Wifi-Host-Driver(WHD)"
     select RT_USING_WIFI
     select RT_USING_SAL
@@ -6,7 +6,7 @@ menuconfig PKG_USING_WIFI_HOST_DRIVER
     select BSP_USING_SDIO
     default n
 
-    if PKG_USING_WIFI_HOST_DRIVER
+    if RT_USING_WIFI_HOST_DRIVER
 
         choice
             prompt "Select Chips"

SConscript

@@ -102,6 +102,8 @@ path += [cwd + '/porting/inc/rtos']
 
 CPPDEFINES = ['']
 
+# RT_USING_WIFI_HOST_DRIVER or PKG_USING_WIFI_HOST_DRIVER
+group = DefineGroup('whd', src, depend = ['RT_USING_WIFI_HOST_DRIVER'], CPPPATH = path, CPPDEFINES = CPPDEFINES)
 group = DefineGroup('whd', src, depend = ['PKG_USING_WIFI_HOST_DRIVER'], CPPPATH = path, CPPDEFINES = CPPDEFINES)
 
 Return('group')