video: Rename CONFIG_DM_VIDEO to CONFIG_VIDEO

Now that all the old code is gone, rename this option. Driver model
migration is now complete.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/toradex/colibri-imx6ull/colibri-imx6ull.c b/board/toradex/colibri-imx6ull/colibri-imx6ull.c
index ba4e0df..6007f110 100644
--- a/board/toradex/colibri-imx6ull/colibri-imx6ull.c
+++ b/board/toradex/colibri-imx6ull/colibri-imx6ull.c
@@ -67,7 +67,7 @@
 }
 #endif /* CONFIG_NAND_MXS */
 
-#ifdef CONFIG_DM_VIDEO
+#ifdef CONFIG_VIDEO
 static const iomux_v3_cfg_t backlight_pads[] = {
 	/* Backlight On */
 	MX6_PAD_JTAG_TMS__GPIO1_IO11		| MUX_PAD_CTRL(NO_PAD_CTRL),
@@ -195,7 +195,7 @@
 	}
 #endif /* CONFIG_CMD_USB_SDP */
 
-#if defined(CONFIG_DM_VIDEO)
+#if defined(CONFIG_VIDEO)
 	setup_lcd();
 #endif
 
diff --git a/board/toradex/colibri_imx7/colibri_imx7.c b/board/toradex/colibri_imx7/colibri_imx7.c
index 4f04543..6ce4fa3 100644
--- a/board/toradex/colibri_imx7/colibri_imx7.c
+++ b/board/toradex/colibri_imx7/colibri_imx7.c
@@ -101,7 +101,7 @@
 }
 #endif
 
-#ifdef CONFIG_DM_VIDEO
+#ifdef CONFIG_VIDEO
 static iomux_v3_cfg_t const backlight_pads[] = {
 	/* Backlight On */
 	MX7D_PAD_SD1_WP__GPIO5_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL),
@@ -134,7 +134,7 @@
  */
 void board_preboot_os(void)
 {
-#ifdef CONFIG_DM_VIDEO
+#ifdef CONFIG_VIDEO
 	gpio_direction_output(GPIO_PWM_A, 1);
 	gpio_direction_output(GPIO_BL_ON, 0);
 #endif
@@ -334,7 +334,7 @@
 #if defined(CONFIG_BOARD_LATE_INIT)
 int board_late_init(void)
 {
-#if defined(CONFIG_DM_VIDEO)
+#if defined(CONFIG_VIDEO)
 	setup_lcd();
 #endif
 
diff --git a/board/toradex/common/tdx-common.c b/board/toradex/common/tdx-common.c
index fadbe45..071961f 100644
--- a/board/toradex/common/tdx-common.c
+++ b/board/toradex/common/tdx-common.c
@@ -9,7 +9,7 @@
 #include <init.h>
 #include <linux/libfdt.h>
 
-#ifdef CONFIG_DM_VIDEO
+#ifdef CONFIG_VIDEO
 #include <bmp_logo.h>
 #include <dm.h>
 #include <splash.h>