dmaengine: omap-dma: initialize can_pause to false

can_pause is not initialized so it contains garbage. Fix this
by setting it to false.

Found using static analysis with cppcheck.

Signed-off-by: Colin Ian King <[e-mail]>
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/omap-dma.c

···
 	struct omap_dmadev *od = to_omap_dma_dev(chan->device);
 	unsigned long flags;
 	int ret = -EINVAL;
-	bool can_pause;
+	bool can_pause = false;
 
 	spin_lock_irqsave(&od->irq_lock, flags);