disp: msm: gem_free_object removed from drm

Commit 1a9458aeb8eb ("drm: remove drm_driver::gem_free_object")
deprecates gem_free_object. This changes updates the msm driver
to call msm_gem_free_object from gem_free_object_unlocked.

Change-Id: If6bd6252232045975357e1bdfbeae6017b0f2ed5
Signed-off-by: Samantha Tran <samtran@codeaurora.org>
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>

msm/msm_drv.c

@@ -1725,7 +1725,7 @@ static struct drm_driver msm_driver = {
 	.irq_uninstall      = msm_irq_uninstall,
 	.enable_vblank      = msm_enable_vblank,
 	.disable_vblank     = msm_disable_vblank,
-	.gem_free_object    = msm_gem_free_object,
+	.gem_free_object_unlocked    = msm_gem_free_object,
 	.gem_vm_ops         = &vm_ops,
 	.dumb_create        = msm_gem_dumb_create,
 	.dumb_map_offset    = msm_gem_dumb_map_offset,