drm/i915/gt: prefer _PICK_EVEN() over _PICK()
There's no need to use _PICK() here. Use the simpler one instead.
Reviewed-by: Michał Grzelak <michal.grzelak@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/f94272fb9e93afa51d9fdb006888b8ebe38580df.1772042022.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>