Switching from radeon to amdgpu

[jakfrost (Stephen Douglas Snow)]

@amblinman

So I tried doing:
sudo rpm-ostree kargs --append='radeon.cik_support=0 amdgpu.cik_support=1'

Probably should be … rpm-ostree kargs --append='radeon.cik_support=0' 'amdgpu.cik_support=1'
I don’t think you need sudo even for kernel args on Fedora Atomic.