drm/lima: Fix Kconfig indentation

Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
	$ sed -e 's/^        /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191120133629.11543-1-krzk@kernel.org

drivers/gpu/drm/lima/Kconfig

@@ -11,4 +11,4 @@ config DRM_LIMA
        select DRM_SCHED
        select DRM_GEM_SHMEM_HELPER
        help
-         DRM driver for ARM Mali 400/450 GPUs.
+	 DRM driver for ARM Mali 400/450 GPUs.