1. If you header files, related to MTEE, are shared between Linux Kernel and User Space
   those header files should be put in the folders and synced below.
   1-1. alps/bionic/libc/kernel/common/linux/trustzone/kree
   1-2. alps/mediatek/kernel/include/trustzone/tz_cross/kree

2. If your header files should be shared between MTEE and Linux Kernel, 
   those header files should be put in the folders both below.
   2-1. alps/mediatek/kernel/include/trustzone/tz_cross
   2-2. alps/mediatek/trustzone/mtk/include/tz_cross

3. It is noted that head files in Linux Kernel should not include MTK License Disclaimer