手機 - Unihertz Titan (TEE-EMMC) - Build Kernel 4.14.141

參考資訊：
https://github.com/rumplestilzken/android_kernel_unihertz_titan

司徒只使用這份程式碼，編譯出USB Serial Module(PL2303)來使用

$ sudo apt install build-essential libncurses-dev bison flex libssl-dev libelf-dev bc git gcc-aarch64-linux-gnu libfdt-dev clang

$ cd
$ git clone https://github.com/rumplestilzken/android_kernel_unihertz_titan --depth=1
$ cd android_kernel_unihertz_titan
$ wget https://github.com/steward-fu/website/releases/download/titan/kernel_config-4.14.141
$ cp kernel_config-4.14.141 .config
$ ARCH=arm64 CC=clang CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=aarch64-linux-gnu- CROSS_COMPILE_ARM32=arm-linux-gnueabihf- make menuconfig
$ ARCH=arm64 CC=clang CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=aarch64-linux-gnu- CROSS_COMPILE_ARM32=arm-linux-gnueabihf- make modules SUBDIRS=drivers/usb/serial -j4
$ ARCH=arm64 CC=clang CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=aarch64-linux-gnu- CROSS_COMPILE_ARM32=arm-linux-gnueabihf- INSTALL_MOD_PATH=out make modules_install SUBDIRS=drivers/usb/serial