change-phytium: add the change-phytium file
phytium-optee: update to optee-3.20e, use python3 in the buildroot host directory and add python module dependencies
linux-headers: cross-compile kernel modules is supported by default
phytium_e2000_defconfig: update package list
initrd: add firmware of vpu-lib and xorg-rogue-umlibs
linux-kernel: update to 2023-v1.0-RC1
update: optee, xenomai, vpu-lib, xorg-rogue-umlibs
README.md: fix typos, describe phytium-optee dependency issues, add a FAQ for modifying the mirror source
Signed-off-by: weishanshan1084 <weishanshan1084@phytium.com.cn>