【Milk-V Duo 开发板免费体验】开启SPI设备

Duo
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修改设备树文件
/build/boards/cv180x/cv1800b_sophpi_duo_sd/dts_riscv/cv1800b_sophpi_duo_sd.dts
在该文件添加以下内容

This is a companion discussion topic for the original entry at http://forum.sophgo.com/t/topic/85
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