drm/i915: set IBX pch type explicitly

This is a little less confusing than relying on the implicit zeroing of
the dev_priv.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
1 file changed