this patch contains arm64 Toolchain, arch common, qemu board and arm64 libc modifications. support using CMake to compile the qemu executable file. ``` cmake -B build -DBOARD_CONFIG=qemu-armv8a:nsh -GNinja cmake --build build -t menuconfig cmake --build build qemu-system-aarch64 -cpu cortex-a53 -nographic -machine virt,virtualization=on,gic-version=3 -net none -chardev stdio,id=con,mux=on -serial chardev:con -mon chardev=con,mode=readline -kernel ./nuttx ``` Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
update LIBFDT to LIBC_FDT update CONFIG_LIBFDT_DTC_VERSION to CONFIG_LIBC_FDT_DTC_VERSION move dtc source code to fdt/dtc move version_gen.h from apps/system/fdt to current dir Signed-off-by: liaoao <liaoao@xiaomi.com>
Signed-off-by: liaoao <liaoao@xiaomi.com>
xuxin19