media: wave5: add OF and V4L_MEM2MEM_DRIVERS dependencies

Fix compile warning when CONFIG_OF=n:

drivers/media/platform/chips-media/wave5/wave5-vpu.c:274:34: warning: 'wave5_dt_ids' defined but not used [-Wunused-const-variable=]
274 | static const struct of_device_id wave5_dt_ids[] = {
|

Signed-off-by: Deborah Brouwer <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
[hverkuil: added commit log text]

drivers/media/platform/chips-media/wave5/Kconfig

···
 # SPDX-License-Identifier: GPL-2.0
 config VIDEO_WAVE_VPU
 	tristate "Chips&Media Wave Codec Driver"
-	depends on VIDEO_DEV
+	depends on V4L_MEM2MEM_DRIVERS
+	depends on VIDEO_DEV && OF
 	select VIDEOBUF2_DMA_CONTIG
 	select VIDEOBUF2_VMALLOC
 	select V4L2_MEM2MEM_DEV