In commit 482812d56698e ("drm/amd/display: Set max TTU on
DPG enable"), "hubp.h" was added which caused the duplicate include.
To be on the safe side, remove the later duplicate include.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>