drm/radeon: Select BACKLIGHT_LCD_SUPPORT
drm/radeon: Select BACKLIGHT_LCD_SUPPORT

Explicitly select BACKLIGHT_LCD_SUPPORT to satisfy the direct dependency
of BACKLIGHT_CLASS_DEVICE.

Cc: Alex Deucher <08dc22c6156113f2deff178e35e3ed9b24d6af9e@amd.com>
Cc: Christian König <c7ea837d7a46effe4232b086213468b8b31643bf@amd.com>
Signed-off-by: Thierry Reding <3055038c414aef68bf32c33b8118623e7554e0f2@nvidia.com>
Signed-off-by: Alex Deucher <08dc22c6156113f2deff178e35e3ed9b24d6af9e@amd.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs