media: platform: allegro-dvt: move config to its own file

In order to better organize the platform/Kconfig, place
allegro-dvt-specific config stuff on a separate Kconfig file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/Kconfig

@@ -29,6 +29,7 @@ config V4L_MEM2MEM_DRIVERS
 	  to capture and output drivers, which use memory buffers for just
 	  one of those.
 
+source "drivers/media/platform/allegro-dvt/Kconfig"
 source "drivers/media/platform/nxp/Kconfig"
 
 source "drivers/media/platform/renesas/Kconfig"
@@ -176,22 +177,6 @@ config VIDEO_TI_CAL_MC
 
 # Mem2mem drivers
 
-config VIDEO_ALLEGRO_DVT
-	tristate "Allegro DVT Video IP Core"
-	depends on V4L_MEM2MEM_DRIVERS
-	depends on VIDEO_DEV && VIDEO_V4L2
-	depends on ARCH_ZYNQMP || COMPILE_TEST
-	select V4L2_MEM2MEM_DEV
-	select VIDEOBUF2_DMA_CONTIG
-	select REGMAP_MMIO
-	help
-	  Support for the encoder video IP core by Allegro DVT. This core is
-	  found for example on the Xilinx ZynqMP SoC in the EV family and is
-	  called VCU in the reference manual.
-
-	  To compile this driver as a module, choose M here: the module
-	  will be called allegro.
-
 config VIDEO_CODA
 	tristate "Chips&Media Coda multi-standard codec IP"
 	depends on V4L_MEM2MEM_DRIVERS

drivers/media/platform/allegro-dvt/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
+config VIDEO_ALLEGRO_DVT
+	tristate "Allegro DVT Video IP Core"
+	depends on V4L_MEM2MEM_DRIVERS
+	depends on VIDEO_DEV && VIDEO_V4L2
+	depends on ARCH_ZYNQMP || COMPILE_TEST
+	select V4L2_MEM2MEM_DEV
+	select VIDEOBUF2_DMA_CONTIG
+	select REGMAP_MMIO
+	help
+	  Support for the encoder video IP core by Allegro DVT. This core is
+	  found for example on the Xilinx ZynqMP SoC in the EV family and is
+	  called VCU in the reference manual.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called allegro.