Structure assignment may depend on the compiler to expand to memcpy.
For this, we may need to add -mno-memcpy to the compilation flag.
Here, we reduce dependencies and use CopyMem for data conversion without
memcpy.
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Chao Li <lichao@loongson.cn>
Signed-off-by: Dongyan Qian <qiandongyan@loongson.cn>
Co-authored-by: Chao Li <lichao@loongson.cn>