[修改]：修改.config默认配置。

bsp/stm32f429-apollo/.config

@@ -72,26 +72,7 @@ CONFIG_FINSH_DEFAULT_PASSWORD="rtthread"
 #
 # Device virtual file system
 #
-CONFIG_RT_USING_DFS=y
+# CONFIG_RT_USING_DFS is not set
-CONFIG_DFS_USING_WORKDIR=y
-CONFIG_RT_DFS_ELM_WORD_ACCESS=y
-CONFIG_DFS_FILESYSTEMS_MAX=2
-CONFIG_DFS_FD_MAX=4
-CONFIG_RT_USING_DFS_ELMFAT=y
-CONFIG_RT_DFS_ELM_CODE_PAGE=437
-CONFIG_RT_DFS_ELM_USE_LFN_0=y
-# CONFIG_RT_DFS_ELM_USE_LFN_1 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_2 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_3 is not set
-CONFIG_RT_DFS_ELM_USE_LFN=0
-CONFIG_RT_DFS_ELM_MAX_LFN=256
-CONFIG_RT_DFS_ELM_DRIVES=2
-CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
-# CONFIG_RT_DFS_ELM_USE_ERASE is not set
-CONFIG_RT_DFS_ELM_REENTRANT=y
-CONFIG_RT_USING_DFS_DEVFS=y
-# CONFIG_RT_USING_DFS_NET is not set
-# CONFIG_RT_USING_DFS_NFS is not set
 
 #
 # Device Drivers
@@ -109,10 +90,7 @@ CONFIG_RT_MTD_NAND_DEBUG=y
 CONFIG_RT_USING_RTC=y
 # CONFIG_RT_USING_SDIO is not set
 CONFIG_RT_USING_SPI=y
-CONFIG_RT_USING_SFUD=y
+# CONFIG_RT_USING_SFUD is not set
-CONFIG_RT_SFUD_USING_SFDP=y
-# CONFIG_RT_SFUD_USING_FLASH_INFO_TABLE is not set
-# CONFIG_RT_SFUD_DEBUG is not set
 # CONFIG_RT_USING_W25QXX is not set
 # CONFIG_RT_USING_GD is not set
 # CONFIG_RT_USING_ENC28J60 is not set
@@ -177,15 +155,11 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_PARTITION is not set
 
 #
-# BSP_UASRT CONFIG
+# BSP_SPECIAL CONFIG
 #
 CONFIG_RT_RTC_NAME="rtc"
 CONFIG_RT_USING_EXT_SDRAM=y
 CONFIG_RT_USING_UART1=y
 CONFIG_RT_USING_UART2=y
 CONFIG_RT_USING_UART3=y
-
-#
-# BSP_SPECIAL CONFIG
-#
 CONFIG_RT_USING_SPI5=y