Signed-off-by: NWillian Chan <chentingwei@rt-thread.com>

[bsp] [imxrt] rename docs imxrt -> i.MX RT

修复IAR8.1之后出现的__localtime32等重定义错误

2、[bsp] [stm32] fix drv_can assert bug

Fix eclipse

[tools][fix] 修改 iar.py 中 iar 版本查找失败后的处理

Signed-off-by: NMurphyZhao <d2014zjt@163.com>

[network][at] Fix the end sign "\r\n" conversion error in AT server，and at_server_send、at_server_recv function

Signed-off-by: chenyong <1521761801@qq.com>

[bsp][tms320f28379d] Fix an issue that interrupts are disabled in the thread

[network][netdev] Improve the ping command error log prompt

[bsp][gd32vf103v-eval]Add scons compilation support.|添加 scons 编译支持

[components][drivers][encoder] update

Signed-off-by: chenyong <1521761801@qq.com>

[bsp] [stm32] fix drv_can.c and can.c bug

Signed-off-by: NMurphyZhao <d2014zjt@163.com>

[bsp][stm32][stm32f103-dofly-M3S]Add spi sdcard port code

Signed-off-by: NWillian Chan <chentingwei@rt-thread.com>

Fix dns server address set error and improve the default netdev set operations

Signed-off-by: chenyong <1521761801@qq.com>

Signed-off-by: chenyong <1521761801@qq.com>

[stm32][driver_eth] 修复开启自动协商时出错的 bug 

[components][libc][compilers][common]拆分armcc和iar的time相关函数到common目录

[components][libc][compilers][common]拆分armcc和iar的time相关函数到common目录,同时修复原来在使用LIBC时time相关函数的BUG(armcc下使用gmtime、localtime、mktime会导致崩溃)

[bsp] [stm32] fix drv_flash_l4.c bug

龙芯1c部分问题

[components][drivers] add input capture driven framework