[dfs] fix the mkfs issue of new ported elm fatfs.

[Example/Test] 修复无法重复使用finsh命令device_test进行驱动测试

1. 该问题是打开设备后, 出错或者成功后没有关闭设备而导致.

[错误]：RT_DEBUG_INIT不能是bool型

和一些使用这个宏的components起了冲突，无法编译通过。

[DeviceDriver] Add sfud kconfig

[BSP] Update rtconfig.py

when "PLATFORM  == armcc", the option "CFLAGS += '  -g -O0' " needs to change to "CFLAGS += ' --c99 -g -O0'" to support the keyword "inline"

[BSP] add nv32f100x bsp.

[BSP] Add bsp apollo2

rename WEAK to RT_WEAK

cleanup the coding style for include/src.

[BSP] Fix the int type range issue of SD in stm32f429 bsp.

[BSP] Add FPU option for loongson1c.

详细内容请参见《see mips run》中的5.3节——异常向量：异常处理开始的地方

浮点经常会用到，所以默认使用硬浮点。

[BSP] Update stm32_eth.c

 Fix some exception handling，such as when rt_sem_take failed in tx，transmission cannot be resumed。