drm/i915: Enable rpm wakeref tracking whether runtime pm is enabled or not

Don't see why we should skip the wakeref tracking when the
platform doesn't support runtime pm. We still want all the
code to be 100% leak free so let's track this unconditionally.

Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com> # stackdepot
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220126081539.23227-2-ville.syrjala@linux.intel.comReviewed-by: Imre Deak <imre.deak@intel.com>

drivers/gpu/drm/i915/intel_runtime_pm.c

@@ -77,9 +77,6 @@ track_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
 	depot_stack_handle_t stack, *stacks;
 	unsigned long flags;
 
-	if (!rpm->available)
-		return -1;
-
 	stack = __save_depot_stack();
 	if (!stack)
 		return -1;