video: add CONFIG_I2C_EDID and disable CONFIG_DISPLAY by default

Enabling CONFIG_DISPLAY breaks building for some architectures
(microblaze-generic), so we disable CONFIG_DISPLAY in Kconfig
by default and enable this option in defconfigs. CONFIG_DISPLAY
depends on CONFIG_I2C_EDID, so add and enable it in defconfigs, too.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reported-by: Bin Meng <bmeng.cn@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 4e706b7..f54631c 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -300,10 +300,18 @@
 	Support for the LCD controller integrated in the Marvell
 	Armada XP SoC.
 
+config I2C_EDID
+	bool "Enable EDID library"
+	depends on DM_I2C
+	default n
+	help
+	   This enables library for accessing EDID data from an LCD panel.
+
 config DISPLAY
 	bool "Enable Display support"
 	depends on DM
-	default y
+	default n
+	select I2C_EDID
 	help
 	   This supports drivers that provide a display, such as eDP (Embedded
 	   DisplayPort) and HDMI (High Definition Multimedia Interface).