video: add support of STM32 MIPI DSI controller driver

Add the STM32 DSI controller driver that uses the Synopsys DesignWare
MIPI DSI host controller bridge.

Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
diff --git a/drivers/video/stm32/Kconfig b/drivers/video/stm32/Kconfig
index 78b1fac..95d51bb 100644
--- a/drivers/video/stm32/Kconfig
+++ b/drivers/video/stm32/Kconfig
@@ -13,6 +13,15 @@
 	  DSI. This option enables these supports which can be used on
 	  devices which have RGB TFT or DSI display connected.
 
+config VIDEO_STM32_DSI
+	bool "Enable STM32 DSI video support"
+	depends on VIDEO_STM32
+	select VIDEO_BRIDGE
+	select VIDEO_DW_MIPI_DSI
+	help
+	  This option enables support DSI internal bridge which can be used on
+	  devices which have DSI devices connected.
+
 config VIDEO_STM32_MAX_XRES
 	int "Maximum horizontal resolution (for memory allocation purposes)"
 	depends on VIDEO_STM32