ALSA: hda - Fix unbalance of i915 module refcount

The commit dba9b7b6ca1a ("ALSA: hda - Fix doubly initialization of
i915 component") contained a typo that leads to the unbalance of i915
module reference.  The value to be checked is not chip->driver_type
but chip->driver_caps.

Fixes: dba9b7b6ca1a ("ALSA: hda - Fix doubly initialization of i915 component")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196219
Reported-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_intel.c

@@ -1385,7 +1385,7 @@ static int azx_free(struct azx *chip)
 		if (hda->need_i915_power)
 			snd_hdac_display_power(bus, false);
 	}
-	if (chip->driver_type & AZX_DCAPS_I915_COMPONENT)
+	if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT)
 		snd_hdac_i915_exit(bus);
 	kfree(hda);