增加支持hp & spk 自动切换

hc

2024-03-22 619f0f87159c5dbd2755b1b0a0eb35784be84e7a

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label NanoPi Neo4 linux
  kernel /boot/Image
  devicetree /boot/rk3399-nanopi-neo4.dtb
  append earlycon=uart8250,mmio32,0xff1a0000 root=/dev/mmcblk1p1 rootwait