enable 4G

hc

2023-02-15 9c2dfff96adcfcdf2a1143893a7dd749b9f3677a

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default firefly-rk3288
 
label firefly-rk3288
kernel /boot/uImage
devicetree /boot/rk3288-firefly.dtb
append console=ttyS2,115200n8 root=/dev/mmcblk0p1 rootwait