arm64: defconfig: enable Khadas TS050 panel as module

Enable the Khadas TS050 panel driver as module since it's
required to use the TS050 panel on the Khadas VIM3 and VIM3L
boards.

Link: https://lore.kernel.org/r/20240422-amlogic-v6-9-upstream-deconfig-dsi-v1-1-01511908477c@linaro.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

arch/arm64/configs/defconfig

@@ -865,6 +865,7 @@ CONFIG_DRM_PANEL_LVDS=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_PANEL_EDP=m
 CONFIG_DRM_PANEL_ILITEK_ILI9882T=m
+CONFIG_DRM_PANEL_KHADAS_TS050=m
 CONFIG_DRM_PANEL_MANTIX_MLAF057WE51=m
 CONFIG_DRM_PANEL_RAYDIUM_RM67191=m
 CONFIG_DRM_PANEL_SITRONIX_ST7703=m