[libc][time] solve the problem which the os tick can be calculated wrongly because the local variable was not initialized.

[bsp][stm32h750-artpi] add bootloader.bin, add the description of the bootloader in README.md.(#5923)

* fixed some configuration errors.

* [stm32] move CMSIS hearder files to common folder

* add CMSIS new sconscript

add __STDC_LIMIT_MACROS macro in Keil
add RT_USING_LIBC in simulator
add _DLIB_ADD_EXTRA_SYMBOLS=0 in IAR

1. Sync 4.1.1+.
2. Add SDIO drivers for M480/M2354 platforms.
3. Update LVGL porting.
4. Add N9H30 FMI NAND driver.
Co-authored-by: NWayne Lin <wclin@nuvoton.com>

Signed-off-by: NJianhui Zhao <zhaojh329@gmail.com>

* HC32F460 supported
Co-authored-by: NJamieTx <yangjp24@126.com>
Co-authored-by: NJamie <48308473+JamieTx@users.noreply.github.com>

* [add] winsock implement on windows simulator.

* 1. 在AT32的BSP的drv_gpio中增加了at32_pin_get函数，用于实现rt_pin_ops对象中的pin_get
2. 在MSH中增加了PIN的操作命令
3. 为了方便在MSH命令中解析字符串，增加了一些字符串相关的函数

* add adc_get_vref

add stm32_adc_get_vref

* [STM32][RTC] add support for STM32L0 series.

* Update drv_rtc.c

Reason: Interrupts were not cleaned up during initialization

* update auto connect use sys work.
* add fast connect.
* update wlan cmd, support scan result report user-level callback.
Co-authored-by: Nzetingxu <zetingxu@bestechnic.com>
Co-authored-by: Nliu2guang <liuguang@rt-thread.com>
Co-authored-by: Nguodi <guodi@rt-thread.com>
Co-authored-by: geniusgogo <xpxyr@sina.com>

* [bsp/renesas/docs/] Add English documents

* Disable TRNG function in default configuration.

* Fix building issue

* To catch context of upper file system.
Co-authored-by: NWayne Lin <wclin@nuvoton.com>