MYiR i.MX6UL manifest

i.MX6UL XML:

myir-i.mx6ul-5.4.3-2.0.0.xml

i.MX6UL-5.4

repo init and get myir-i.mx6ul-5.4.3-2.0.0.xml:

export REPO_URL='https://mirrors.tuna.tsinghua.edu.cn/git/git-repo/'
repo init -u https://github.com/MYiR-Dev/myir-imx-manifest.git --no-clone-bundle --depth=1 -m myir-i.mx6ul-5.4.3-2.0.0.xml -b i.MX6UL-5.4-zeus 
repo sync