templates: add support for new arch on Alpine Linux
templates: add support for new arch on Alpine Linux

Signed-off-by: Carlo Landmeter <a4e24595c4cbc9071e9da9840d377c442541c46d@gmail.com>

caglar10ur/lxc,thmo/lxc,aeris/lxc,federicobriata/lxc,hfuCN/lxc,cjwatson/lxc,cjwatson/lxc,LynxChaus/lxc,caglar10ur/lxc,hfuCN/lxc,LynxChaus/lxc,GreatFruitOmsk/lxc,hallyn/lxc,ss1h2a3tw/lxc,hallyn/lxc,hfuCN/lxc,hallyn/lxc,ysbnim/lxc,federicobriata/lxc,aeris/lxc,caglar10ur/lxc,ss1h2a3tw/lxc,LynxChaus/lxc,ysbnim/lxc,terceiro/lxc,GreatFruitOmsk/lxc,GreatFruitOmsk/lxc,ysbnim/lxc,terceiro/lxc,thmo/lxc,aeris/lxc,terceiro/lxc,cjwatson/lxc,federicobriata/lxc,thmo/lxc,ss1h2a3tw/lxc