backlight: Remove ld9040 driver

The driver for LD9040 AMOLED LCD panel was superseded with DRM driver
panel-samsung-ld9040.c.  It does not support DeviceTree and respective
possible user (Exynos4210 Universal C210) is DeviceTree-only and uses
DRM version of driver.

Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/video/backlight/Kconfig

@@ -111,14 +111,6 @@ config LCD_HP700
 	  If you have an HP Jornada 700 series handheld (710/720/728)
 	  say Y to enable LCD control driver.
 
-config LCD_LD9040
-	tristate "LD9040 AMOLED LCD Driver"
-	depends on SPI && BACKLIGHT_CLASS_DEVICE
-	default n
-	help
-	  If you have an LD9040 Panel, say Y to enable its
-	  control driver.
-
 config LCD_AMS369FG06
 	tristate "AMS369FG06 AMOLED LCD Driver"
 	depends on SPI && BACKLIGHT_CLASS_DEVICE

drivers/video/backlight/Makefile

@@ -9,7 +9,6 @@ obj-$(CONFIG_LCD_HX8357)		+= hx8357.o
 obj-$(CONFIG_LCD_ILI922X)		+= ili922x.o
 obj-$(CONFIG_LCD_ILI9320)		+= ili9320.o
 obj-$(CONFIG_LCD_L4F00242T03)		+= l4f00242t03.o
-obj-$(CONFIG_LCD_LD9040)		+= ld9040.o
 obj-$(CONFIG_LCD_LMS283GF05)		+= lms283gf05.o
 obj-$(CONFIG_LCD_LMS501KF03)		+= lms501kf03.o
 obj-$(CONFIG_LCD_LTV350QV)		+= ltv350qv.o