x86: video: disable builtin radeon DRM driver

builtin driver can't access the /lib/firmware while booting,
module driver will be able to read and load the firmware files

Signed-off-by: Lucian Cristian <[email protected]>

target/linux/x86/generic/config-4.14

@@ -92,7 +92,7 @@ CONFIG_DRM_KMS_HELPER=y
 CONFIG_DRM_MIPI_DSI=y
 CONFIG_DRM_PANEL=y
 CONFIG_DRM_PANEL_BRIDGE=y
-CONFIG_DRM_RADEON=y
+# CONFIG_DRM_RADEON is not set
 # CONFIG_DRM_RADEON_USERPTR is not set
 CONFIG_DRM_TTM=y
 CONFIG_DRM_VIRTIO_GPU=y

target/linux/x86/generic/config-4.19

@@ -105,7 +105,7 @@ CONFIG_DRM_MIPI_DSI=y
 CONFIG_DRM_PANEL=y
 CONFIG_DRM_PANEL_BRIDGE=y
 CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=y
-CONFIG_DRM_RADEON=y
+# CONFIG_DRM_RADEON is not set
 # CONFIG_DRM_RADEON_USERPTR is not set
 CONFIG_DRM_SCHED=y
 CONFIG_DRM_TTM=y