drm/radeon/kms: add additional quirk for Acer rv620 laptop

HPD pins are reversed

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=29387

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
1 file changed