add synwit swm341 bsp (#6235)

华芯微特SWM341芯片的bsp支持包
* 修改dac.c函数名称错误
* delete swm320-lq100 bsp
* 修复sdio读写块的地址偏移问题
* add synwit swm341 bsp
* 修复gcc下启动文件错误
* 为测试用例添加说明

Author: LikWoody

.github/workflows/action.yml

@@ -172,6 +172,7 @@ jobs:
          - {RTT_BSP: "wch/arm/ch32f103c8-core", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "wch/arm/ch32f203r-evt", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "swm320", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "swm341", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "beaglebone", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "zynqmp-r5-axu4ev", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "frdm-k64f", RTT_TOOL_CHAIN: "sourcery-arm"}