video: bridge: add Toshiba TC358768 RGB to DSI bridge support

Add initial support for the Toshiba TC358768 RGB to DSI bridge.

The driver is based on the mainline Linux Toshiba TC358768
bridge driver and implements the same set of features.

Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # ASUS TF700T
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/drivers/video/bridge/Kconfig b/drivers/video/bridge/Kconfig
index 2311ca2..6a9e7c1 100644
--- a/drivers/video/bridge/Kconfig
+++ b/drivers/video/bridge/Kconfig
@@ -40,3 +40,12 @@
 	select VIDEO_MIPI_DSI
 	help
 	  Solomon SSD2824 SPI RGB-DSI bridge driver wrapped into panel uClass.
+
+config VIDEO_BRIDGE_TOSHIBA_TC358768
+	bool "Support Toshiba TC358768 MIPI DSI bridge"
+	depends on PANEL && DM_GPIO
+	select VIDEO_MIPI_DSI
+	select DM_I2C
+	help
+	  Toshiba TC358768AXBG/TC358778XBG DSI bridge chip driver.
+	  Found in Asus Transformer Infinity TF700T.