This is achieved using the following code snippet:
svn co svn://svn.openwrt.org/openwrt/trunk AYYAR
cd AYYAR
git clone https://github.com/ayyaris/ayyar.git
patch -p0 < ayyar/Openwrt-rt5350-ayyari.patch
patch -p0 < ayyar/Openwrt-add-AYYAR-dts.patch
./scripts/feeds update -a
./scripts/feeds install luci -p