Spi configuration

Autonomous Machines Jetson & Embedded Systems Jetson TX2
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  1. Reference to below topic.
    How to set SPI CS(chip select) timing? - #3 by will_lin

  2. Looks like this command didn’t dump SPI1 REG.
    Have check the tegra186-mb1-bct-pinmux-*.cfg to find the SPI1 address and modify it like WIKI and confirm it by devmem2 after boot to the system.