将以下引脚设置为uart串口
uart0(PH0/PH1)
uart1(PG6/PG7)
uart2(PI5/PI6)
uart3(PI9/PI10)
uart4(PI13/PI14)
uart5(PH2/PH3)
/root/longan-h618/kernel/linux-5.4/drivers/net/phy/sunxi-ephy.c
/root/longan-h618/device/config/chips/h618/configs/p1/linux-5.4/board.dts