1. Fix open-control order issue in CAN driver.
2. [N9H30] Improve N9H30 I2C busy-wait implementation.
3. [N9H30] Support 1024x600x32b LCD panel.
4. Move nu_packages menu into sub-menu of board.

* [console] 解决在没有定义RT_USING_DEVICE的情况下使用device报错的问题

* format codes

* [libc] 整理格式

* refresh projects

1. Improve LVGL avg FPS.
2. Sync configuration to 4.1.0.

1. Improve LVGL avg FPS.
2. Sync configuration to 4.1.0.

CCFLAGS is used by gcc and g++ compiler. So CFLAGS should be used for
gcc to avoid passing gcc flags to g++.

(1) Support NK-N9H30 board.
(2) Change Mutex's flag to RT_IPC_FLAG_PRIO from RT_IPC_FLAG_FIFO.

1. Add NUC980 Chili board supporting.
2. Correct NuMicro.h including.
3. Implement rt_hw_us_delay system call function.
4. Move board.c to drv_common.c for M480 and M2354 series.

1. Add NuMaker-M2354 BSP.
2. Fix SLCD library and modify its demo.