media: mtk-mdp: Use correct aliases name

aliases property name must include only lowercase and '-'. Fix in dts
and driver.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/mtk-mdp/mtk_mdp_comp.c

@@ -15,10 +15,10 @@
 
 
 static const char * const mtk_mdp_comp_stem[MTK_MDP_COMP_TYPE_MAX] = {
-	"mdp_rdma",
-	"mdp_rsz",
-	"mdp_wdma",
-	"mdp_wrot",
+	"mdp-rdma",
+	"mdp-rsz",
+	"mdp-wdma",
+	"mdp-wrot",
 };
 
 struct mtk_mdp_comp_match {