[add]增加wifi库

SConscript

@@ -1,4 +1,5 @@
 from building import *
+import rtconfig
 
 cwd     = GetCurrentDir()
 
@@ -20,6 +21,16 @@ elif GetDepend('BOARD_X1000_REALBOARD'):
     else:
         LIBS = ['wlan-wiced_gcc_x1000.a']
 
+elif GetDepend('SOC_STM32L475VE'):
+    LIBPATH = [cwd + '/stm32l4']
+
+    if rtconfig.CROSS_TOOL == 'gcc':
+        LIBS = ['wifi_6181_0.2.6_armcm4_gcc']    
+    elif rtconfig.CROSS_TOOL == 'keil':
+        LIBS = ['libwifi_6181_0.2.6_armcm4_keil']
+    else:
+        LIBS = ['libwifi_6181_0.2.6_armcm4_iar']
+
 group = DefineGroup('wlan-wiced', src, depend = ['PKG_USING_WLAN_WICED', 'RT_USING_LWIP'], CPPPATH = CPPPATH, LIBS = LIBS, LIBPATH = LIBPATH)
 
 Return('group')