enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 u-boot/include/configs/rockchip-common.h
..
..
@@ -158,7 +158,7 @@
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 		"setenv devtype spinand; setenv devnum 0;" \
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 	"elif rksfc dev 1; then " \
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 		"setenv devtype spinor; setenv devnum 1;" \
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-	"else" \
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+	"else;" \
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 		"setenv devtype ramdisk; setenv devnum 0;" \
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 	"fi; \0"
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