drm/arm: arm hdlcd select DRM_GEM_CMA_HELPER

Without DRM_GEM_CMA_HELPER HDLCD won't build. This needs to be there too.

Fixes: 09717af ("drm: Remove CONFIG_DRM_KMS_CMA_HELPER option")
Reviewed-by: Steven Price <[email protected]>
Signed-off-by: Carsten Haitzler <[email protected]>
Acked-by: Liviu Dudau <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: carstenhaitzler

drivers/gpu/drm/arm/Kconfig

@@ -6,6 +6,7 @@ config DRM_HDLCD
 	depends on DRM && OF && (ARM || ARM64 || COMPILE_TEST)
 	depends on COMMON_CLK
 	select DRM_KMS_HELPER
+	select DRM_GEM_CMA_HELPER
 	help
 	  Choose this option if you have an ARM High Definition Colour LCD
 	  controller.