dma: timb_dma: Fix compiler warning

Fix this compiler warning:
warning: 'td_remove' defined but not used [-Wunused-function]

Signed-off-by: Maxin B. John <maxin.john@enea.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 952f823..26107ba 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -823,7 +823,7 @@
 		.owner  = THIS_MODULE,
 	},
 	.probe	= td_probe,
-	.remove	= __exit_p(td_remove),
+	.remove	= td_remove,
 };
 
 module_platform_driver(td_driver);