https://github.com/RT-Thread/rt-thread/pull/9420
* [console] fix bug of sdram, configure PA7(DRAM_WE) * [bsp/stm32] add qspi flash for openmv * [bsp/stm32] change sram1 to sram2 * [bsp/stm32] add sdio for openmv * [update] update README.md of openmv