Change from ttyS0 -> ttyS1#16
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rs422-ttl wants to merge 3 commits intozindello:devfrom
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This [blog post](https://forums.luckfox.com/viewtopic.php?t=975) documents what is required to switch from using UART2 as the default serial port used in both u-boot and the Linux kernel, to a different UART port. This commit: - documents the changes made to the luckfox-pico SDK repository so that the process can be replicated and rebuilt as needed. - modifies the 01-luckfox-system-config.sh script to change the appropriate partitions for the default serial port change to be made. - removes the systemctl line that previously disabled the serial console on ttyFIQ0. With the above changes made, ttyFIQ0 will point to UART0. If previously disabled, the serial console on ttyFIQ0 will need to be re-enabled.
Switch u-boot and kernel serial console to UART0
Due to I2C pin collision, change the default serial console to ttyS1 / UART1, along with attempting to ensure hardware flow control is disabled per https://forums.luckfox.com/viewtopic.php?t=2216
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Due to I2C pin collision, change the default serial console to ttyS1 / UART1.