drm/i915: Use symbolic names for booleans in i915_semaphore_is_enabled

Noticed while reviewing a patch and couldn't resist the OCD.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-12-17 09:56:53 +01:00
commit a08acaf2f6