* [bsp] add missing UL suffix to BIT macro to prevent undefined behavior.

* [bsp] add UL suffix to BIT macro for consistency and readability.

* fix toUppercase.

* fix the abnormal character.

* format the file.

1. prevent null-pointer dereference in rt_strcmp

optmize the action yml

* [fix] compile error from rpi

* sync and update

when using stime set rtc time, tv.tv_usec not 0,but always is 0xdeadbeef, make set time error

[bsp][k210] add drv_i2c.c for i2c-tools, and use ascii code instead of special character in drv_io_config.c

temporarily use sys_stat. should be replaced by sys_lstat if symbolic link are implemented

* Revert safety MMU initialization.
Co-authored-by: NWayne Lin <wclin@nuvoton.com>

* [bsp][bouffalo_lab]add drv_adc

* Update bsp/bouffalo_lab/libraries/rt_drivers/Kconfig
Co-authored-by: Man, Jianting (Meco) <920369182@qq.com>

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Co-authored-by: Man, Jianting (Meco) <920369182@qq.com>

* [utest][atomic]添加返回值测试