video: move tegra dc driver into own folder

Move tegra dc driver to tegra20 directory and also mention
T30 in description of the driver's config option.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
[agust: add commit description]
Signed-off-by: Anatolij Gustschin <agust@denx.de>

drivers/video/Kconfig

@@ -668,15 +668,6 @@ source "drivers/video/stm32/Kconfig"
 
 source "drivers/video/tidss/Kconfig"
 
-config VIDEO_TEGRA20
-	bool "Enable LCD support on Tegra20"
-	depends on OF_CONTROL
-	help
-	   Tegra20 supports video output to an attached LCD panel as well as
-	   other options such as HDMI. Only the LCD is supported in U-Boot.
-	   This option enables this support which can be used on devices which
-	   have an LCD display connected.
-
 config VIDEO_TEGRA124
 	bool "Enable video support on Tegra124"
 	help
@@ -687,6 +678,8 @@ config VIDEO_TEGRA124
 
 source "drivers/video/bridge/Kconfig"
 
+source "drivers/video/tegra20/Kconfig"
+
 source "drivers/video/imx/Kconfig"
 
 config VIDEO_MXS

drivers/video/Makefile

@@ -67,10 +67,10 @@ obj-$(CONFIG_VIDEO_OMAP3) += omap3_dss.o
 obj-$(CONFIG_VIDEO_DSI_HOST_SANDBOX) += sandbox_dsi_host.o
 obj-$(CONFIG_VIDEO_SANDBOX_SDL) += sandbox_sdl.o
 obj-$(CONFIG_VIDEO_SIMPLE) += simplefb.o
-obj-$(CONFIG_VIDEO_TEGRA20) += tegra.o
 obj-$(CONFIG_VIDEO_VESA) += vesa.o
 obj-$(CONFIG_VIDEO_SEPS525) += seps525.o
 obj-$(CONFIG_VIDEO_ZYNQMP_DPSUB) += zynqmp_dpsub.o
 
 obj-y += bridge/
 obj-y += sunxi/
+obj-y += tegra20/

drivers/video/tegra20/Kconfig

@@ -0,0 +1,8 @@
+config VIDEO_TEGRA20
+	bool "Enable Display Controller support on Tegra20 and Tegra 30"
+	depends on OF_CONTROL
+	help
+	   T20/T30 support video output to an attached LCD panel as well as
+	   other options such as HDMI. Only the LCD is supported in U-Boot.
+	   This option enables this support which can be used on devices which
+	   have an LCD display connected.

drivers/video/tegra20/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-$(CONFIG_VIDEO_TEGRA20) += tegra-dc.o