fix(4g): Support the use of IoT cards

huangcm

2025-07-05 bc0611069d13b561eb4297b1bfeea68a7b8929e5

 build.sh
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@@ -38,7 +38,9 @@
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     source $BOARD_CONFIG_FILE
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     echo "you board is ${DTS_NAME}"
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+    ln -rsf "${DTS_DIR}/${DTS_NAME}.fex" "${DTS_DIR}/sys_config.fex"
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     echo "Start clean kerenl"
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+
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     cd longan/kernel/linux-4.9 && make clean -j32 && cd -
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     source $BOARD_CONFIG_FILE
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     longan/build/mkcommon.sh autoconfig -i a133 -o android -b c3
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@@ -153,7 +155,7 @@
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             build
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         done
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     else
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-        build  && exit 0
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+        build $@  && exit 0
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     fi
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 fi