video: add support of MIPI DSI interface

Mipi_display.c contains a set of dsi helpers.
This file is a copy of file drm_mipi_dsi.c (linux kernel).

Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 261fa98..36f666e 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -73,6 +73,14 @@
 	  Enable ANSI escape sequence decoding for a more fully functional
 	  console.
 
+config VIDEO_MIPI_DSI
+	bool "Support MIPI DSI interface"
+	depends on DM_VIDEO
+	help
+	  Support MIPI DSI interface for driving a MIPI compatible device.
+	  The MIPI Display Serial Interface (MIPI DSI) defines a high-speed
+	  serial interface between a host processor and a display module.
+
 config CONSOLE_NORMAL
 	bool "Support a simple text console"
 	depends on DM_VIDEO