drm/i915: Remove excess indent in intel_finish_reset() caught by sparse

  CHECK   drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_display.c:3753 intel_finish_reset() warn: inconsistent indenting
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170828104604.8552-1-chris@chris-wilson.co.ukReviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>