Convert CONFIG_VIDEO_OMAP3 to Kconfig

This converts the following to Kconfig:
   CONFIG_VIDEO_OMAP3

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/configs/cm_t3517_defconfig b/configs/cm_t3517_defconfig
index edb114e..b2452ff 100644
--- a/configs/cm_t3517_defconfig
+++ b/configs/cm_t3517_defconfig
@@ -55,5 +55,6 @@
 CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_AM35X=y
 CONFIG_USB_STORAGE=y
+CONFIG_VIDEO_OMAP3=y
 CONFIG_LCD=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/cm_t35_defconfig b/configs/cm_t35_defconfig
index 95dcc06..f8f1862 100644
--- a/configs/cm_t35_defconfig
+++ b/configs/cm_t35_defconfig
@@ -57,5 +57,6 @@
 CONFIG_USB_OMAP3=y
 CONFIG_TWL4030_USB=y
 CONFIG_USB_STORAGE=y
+CONFIG_VIDEO_OMAP3=y
 CONFIG_LCD=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/mcx_defconfig b/configs/mcx_defconfig
index 3414640..8111238 100644
--- a/configs/mcx_defconfig
+++ b/configs/mcx_defconfig
@@ -50,6 +50,7 @@
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_USB_ETHER_MCS7830=y
+CONFIG_VIDEO_OMAP3=y
 CONFIG_VIDEO=y
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/mt_ventoux_defconfig b/configs/mt_ventoux_defconfig
index ab3a904..ae88b76 100644
--- a/configs/mt_ventoux_defconfig
+++ b/configs/mt_ventoux_defconfig
@@ -46,6 +46,7 @@
 CONFIG_USB_ULPI_VIEWPORT_OMAP=y
 CONFIG_USB_ULPI=y
 CONFIG_USB_STORAGE=y
+CONFIG_VIDEO_OMAP3=y
 CONFIG_VIDEO=y
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/omap3_beagle_defconfig b/configs/omap3_beagle_defconfig
index 7709d2d..f26f5ad 100644
--- a/configs/omap3_beagle_defconfig
+++ b/configs/omap3_beagle_defconfig
@@ -75,6 +75,7 @@
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_USB_ETHER_MCS7830=y
 CONFIG_USB_ETHER_SMSC95XX=y
+CONFIG_VIDEO_OMAP3=y
 CONFIG_FAT_WRITE=y
 CONFIG_BCH=y
 CONFIG_SPL_OF_LIBFDT=y
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index ecb57d8..ed0b21f 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -408,6 +408,12 @@
 	Support for the LCD controller integrated in the Marvell
 	Armada XP SoC.
 
+config VIDEO_OMAP3
+	bool "Enable OMAP3+ DSS Support"
+	depends on ARCH_OMAP2PLUS
+	help
+	  This enables the Display subsystem (DSS) on OMAP3+ boards.
+
 config I2C_EDID
 	bool "Enable EDID library"
 	default n
diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index 646da7f..c7ac8d1 100644
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -198,7 +198,6 @@
 #define CONFIG_SPLASHIMAGE_GUARD
 
 /* Display Configuration */
-#define CONFIG_VIDEO_OMAP3
 #define LCD_BPP		LCD_COLOR16
 
 #define CONFIG_SPLASH_SCREEN
diff --git a/include/configs/cm_t3517.h b/include/configs/cm_t3517.h
index 0ab3930..c3ec812 100644
--- a/include/configs/cm_t3517.h
+++ b/include/configs/cm_t3517.h
@@ -203,7 +203,6 @@
 #define GREEN_LED_GPIO			186 /* CM-T3517 Green LED is GPIO186 */
 
 /* Display Configuration */
-#define CONFIG_VIDEO_OMAP3
 #define LCD_BPP		LCD_COLOR16
 
 #define CONFIG_SPLASH_SCREEN
diff --git a/include/configs/mcx.h b/include/configs/mcx.h
index 94b1332..176af72 100644
--- a/include/configs/mcx.h
+++ b/include/configs/mcx.h
@@ -292,6 +292,5 @@
 
 #define CONFIG_SPLASH_SCREEN
 #define CONFIG_VIDEO_BMP_RLE8
-#define CONFIG_VIDEO_OMAP3
 
 #endif /* __CONFIG_H */
diff --git a/include/configs/mt_ventoux.h b/include/configs/mt_ventoux.h
index 3b11cc0..e590364 100644
--- a/include/configs/mt_ventoux.h
+++ b/include/configs/mt_ventoux.h
@@ -39,7 +39,6 @@
 
 #define CONFIG_SPLASH_SCREEN
 #define CONFIG_VIDEO_BMP_RLE8
-#define CONFIG_VIDEO_OMAP3	/* DSS Support			*/
 
 #define	CONFIG_EXTRA_ENV_SETTINGS	CONFIG_TAM3517_SETTINGS \
 	"bootcmd=run net_nfs\0"
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 252b8f9..1fbe27e 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -58,7 +58,6 @@
 #define CONFIG_I2C_MULTI_BUS
 
 /* DSS Support */
-#define CONFIG_VIDEO_OMAP3
 
 /* TWL4030 LED Support */
 #define CONFIG_TWL4030_LED
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index b7d75aa..83d9793 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -4666,7 +4666,6 @@
 CONFIG_VIDEO_MB862xx_ACCEL
 CONFIG_VIDEO_MXS
 CONFIG_VIDEO_MXS_MODE_SYSTEM
-CONFIG_VIDEO_OMAP3
 CONFIG_VIDEO_STD_TIMINGS
 CONFIG_VIDEO_VCXK
 CONFIG_VID_FLS_ENV