add .BoardConfig.mk package-file

hc

2023-05-31 43fd8d44e8182b691c8ee61d487cec02ca11afd2

 device/rockchip/rk356x/parameter-buildroot-fit.txt
..
..
@@ -8,5 +8,5 @@
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8
 CHECK_MASK: 0x80
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9
 PWR_HLD: 0,0,A,0,1
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 TYPE: GPT
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-CMDLINE: mtdparts=rk29xxnand:0x00002000@0x00004000(uboot),0x00002000@0x00006000(trust),0x00002000@0x00008000(misc),0x00010000@0x0000a000(boot),0x00020000@0x0001a000(recovery),0x00010000@0x0003a000(baseparameter),0x00DAC000@0x0004a000(userdata),-@0x00DF6000(rootfs:grow))
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+CMDLINE: mtdparts=rk29xxnand:0x00002000@0x00004000(uboot),0x00002000@0x00006000(trust),0x00002000@0x00008000(misc),0x00010000@0x0000a000(boot),0x00020000@0x0001a000(recovery),0x00010000@0x0003a000(baseparameter),-@0x0013a000(rootfs:grow))
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 uuid:rootfs=614e0000-0000-4b53-8000-1d28000054a9