arm64: defconfig: support Mali CSF-based GPUs

Enable support for Mali CSF-based GPUs, which is found on recent
ARM SoCs, such as Rockchip or Mediatek.

Signed-off-by: Sebastian Reichel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Heiko Stuebner <[email protected]>

Author: sre

arch/arm64/configs/defconfig

@@ -907,6 +907,7 @@ CONFIG_DRM_MESON=m
 CONFIG_DRM_PL111=m
 CONFIG_DRM_LIMA=m
 CONFIG_DRM_PANFROST=m
+CONFIG_DRM_PANTHOR=m
 CONFIG_DRM_TIDSS=m
 CONFIG_DRM_POWERVR=m
 CONFIG_FB=y