[BSP EFM32] Fix building issue

bsp/efm32/SConscript

@@ -13,7 +13,7 @@ src_app = ['httpd.c']
 
 src = src_bsp + src_drv1 + src_drv2 + src_dev + src_hdl + src_app
 CPPPATH = [RTT_ROOT + '/bsp/efm32']
-CPPDEFINES = [rtconfig.EFM32_BOARD, rtconfig.EFM32_LCD, rtconfig.EFM32_TYPE]
+CPPDEFINES = [rtconfig.EFM32_LCD, rtconfig.EFM32_TYPE]
 group = DefineGroup('Startup', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
 
 Return('group')

bsp/efm32/rtconfig.h

@@ -16,10 +16,15 @@
 /* Exported types ------------------------------------------------------------*/
 /* Exported constants --------------------------------------------------------*/
 /* Exported macro ------------------------------------------------------------*/
-/* RT_NAME_MAX*/
+/* EFM32_BOARD */
+//#define EFM32_G8XX_STK
+//#define EFM32_GXXX_DK
+#define EFM32GG_DK3750
+
+/* RT_NAME_MAX */
 #define RT_NAME_MAX					(8)
 
-/* RT_ALIGN_SIZE*/
+/* RT_ALIGN_SIZE */
 #define RT_ALIGN_SIZE				(4)
 
 /* PRIORITY_MAX */