fix flexcan driver for imxrt1170

* add ignore files and directories

* add flexcan support;fix build problem

* 优化格式，消除编译警告

* 增加can引脚分配；支持imxrt1170

* 优化格式

* Add CANFD support and correct typos

- Added CANFD required fields to can.h
- Fixed typos in can.h and can.c
- Corrected all the projects affected by the typo
- Fixed wrong line-ending in some affected can driver files
Signed-off-by: NFan YANG <fan.yang@hpmicro.com>

* update
Signed-off-by: NFan YANG <fan.yang@hpmicro.com>
Co-authored-by: Meco Man <920369182@qq.com>

* add rt1170 bsp
* add rt1020 bsp