media: ti-vpe: Simplify bool comparison

Fix the following coccicheck warning:

./drivers/media/platform/ti-vpe/vpdma.c:946:5-26: WARNING: Comparison to
bool.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/ti-vpe/vpdma.c

@@ -942,8 +942,7 @@ int vpdma_hwlist_alloc(struct vpdma_data *vpdma, void *priv)
 	unsigned long flags;
 
 	spin_lock_irqsave(&vpdma->lock, flags);
-	for (i = 0; i < VPDMA_MAX_NUM_LIST &&
-	    vpdma->hwlist_used[i] == true; i++)
+	for (i = 0; i < VPDMA_MAX_NUM_LIST && vpdma->hwlist_used[i]; i++)
 		;
 
 	if (i < VPDMA_MAX_NUM_LIST) {